CVE-20XX-?
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Critical, and still unpatched.

Critical-severity CVEs with no patch or advisory linked yet. These are the ones to watch.

406 CVEs · updated 2026-11-06 12:30 UTC

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  1. CVE-2019-16920

    Unauthenticated remote code execution occurs in D-Link products such as DIR-655C, DIR-866L, DIR-652, and DHP-1565. The issue occurs when the attacker sends an arbitrary input to a "PingTest" device common gateway interface that could lead to common injection. An attacker who successfully triggers the command injection could achieve full system compromise. Later, it was independently found that these are also affected: DIR-855L, DAP-1533, DIR-862L, DIR-615, DIR-835, and DIR-825.

    Drop everything exploited Injection Network gear Dlink dir-655 Firmware

    9.8 CRITICAL 100% exploit odds No fix listed
  2. CVE-2018-10562

    An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a GponForm/diag_Form URI. Because the router saves ping results in /tmp and transmits them to the user when the user revisits /diag.html, it's quite simple to execute commands and retrieve their output.

    Drop everything exploited Injection Network gear Dasannetworks Gpon Router Firmware

    9.8 CRITICAL 100% exploit odds No fix listed
  3. CVE-2021-32030

    The administrator application on ASUS GT-AC2900 devices before 3.0.0.4.386.42643 and Lyra Mini before 3.0.0.4_384_46630 allows authentication bypass when processing remote input from an unauthenticated user, leading to unauthorized access to the administrator interface. This relates to handle_request in router/httpd/httpd.c and auth_check in web_hook.o. An attacker-supplied value of '\0' matches the device's default value of '\0' in some situations. Note: All versions of Lyra Mini and earlier which are unsupported (End-of-Life, EOL) are also affected by this vulnerability, Consumers can mitigate this vulnerability by disabling the remote access features from WAN.

    Drop everything exploited Auth & access Network gear Asus Lyra Mini Firmware

    9.8 CRITICAL 99% exploit odds No fix listed
  4. CVE-2023-25280

    OS Command injection vulnerability in D-Link DIR820LA1_FW105B03 allows attackers to escalate privileges to root via a crafted payload with the ping_addr parameter to ping.ccp.

    Drop everything exploited Injection Network gear Dlink dir-820l Firmware

    9.8 CRITICAL 98% exploit odds No fix listed
  5. CVE-2017-18368

    The ZyXEL P660HN-T1A v1 TCLinux Fw $7.3.15.0 v001 / 3.40(ULM.0)b31 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is accessible by an unauthenticated user. The vulnerability is in the ViewLog.asp page and can be exploited through the remote_host parameter.

    Drop everything exploited Injection Network gear Billion 5200w-t Firmware

    9.8 CRITICAL 95% exploit odds No fix listed
  6. CVE-2018-10561

    An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

    Drop everything exploited Auth & access Network gear Dasannetworks Gpon Router Firmware

    9.8 CRITICAL 93% exploit odds No fix listed
  7. CVE-2018-14839

    LG N1A1 NAS 3718.510 is affected by: Remote Command Execution. The impact is: execute arbitrary code (remote). The attack vector is: HTTP POST with parameters.

    Drop everything exploited Injection Network gear Lg n1a1 Firmware

    9.8 CRITICAL 89% exploit odds No fix listed
  8. CVE-2019-16057

    The login_mgr.cgi script in D-Link DNS-320 through 2.05.B10 is vulnerable to remote command injection.

    Drop everything exploited Injection Network gear Dlink dns-320 Firmware

    9.8 CRITICAL 86% exploit odds No fix listed
  9. CVE-2021-27561

    Yealink Device Management (DM) 3.6.0.20 allows command injection as root via the /sm/api/v1/firewall/zone/services URI, without authentication.

    Drop everything exploited Injection Network gear Yealink Device Management

    9.8 CRITICAL 83% exploit odds No fix listed
  10. CVE-2005-2773

    HP OpenView Network Node Manager 6.2 through 7.50 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) node parameter to connectedNodes.ovpl, (2) cdpView.ovpl, (3) freeIPaddrs.ovpl, and (4) ecscmg.ovpl.

    Drop everything exploited Injection Network gear HP Openview Network Node Manager

    9.8 CRITICAL 75% exploit odds No fix listed
  11. CVE-2017-6316

    Citrix NetScaler SD-WAN devices through v9.1.2.26.561201 allow remote attackers to execute arbitrary shell commands as root via a CGISESSID cookie. On CloudBridge (the former name of NetScaler SD-WAN) devices, the cookie name was CAKEPHP rather than CGISESSID.

    Drop everything exploited Code execution Network gear Citrix Netscaler sd-wan

    9.8 CRITICAL 73% exploit odds No fix listed
  12. CVE-2017-6077

    ping.cgi on NETGEAR DGN2200 devices with firmware through 10.0.0.50 allows remote authenticated users to execute arbitrary OS commands via shell metacharacters in the ping_IPAddr field of an HTTP POST request.

    Drop everything exploited Injection Network gear Netgear dgn2200 Firmware

    9.8 CRITICAL 69% exploit odds No fix listed
  13. CVE-2018-7445

    A buffer overflow was found in the MikroTik RouterOS SMB service when processing NetBIOS session request messages. Remote attackers with access to the service can exploit this vulnerability and gain code execution on the system. The overflow occurs before authentication takes place, so it is possible for an unauthenticated remote attacker to exploit it. All architectures and all devices running RouterOS before versions 6.41.3/6.42rc27 are vulnerable.

    Drop everything exploited Memory safety Network gear Mikrotik Routeros

    9.8 CRITICAL 66% exploit odds No fix listed
  14. CVE-2020-29557

    An issue was discovered on D-Link DIR-825 R1 devices through 3.0.1 before 2020-11-20. A buffer overflow in the web interface allows attackers to achieve pre-authentication remote code execution.

    Drop everything exploited Memory safety Network gear Dlink dir-825 r1 Firmware

    9.8 CRITICAL 56% exploit odds No fix listed
  15. CVE-2014-3931

    fastping.c in MRLG (aka Multi-Router Looking Glass) before 5.5.0 allows remote attackers to cause an arbitrary memory write and memory corruption.

    Drop everything exploited Memory safety Network gear multi-router Looking Glass Project multi-router Looking Glass

    9.8 CRITICAL 29% exploit odds No fix listed
  16. CVE-2020-10181

    goform/formEMR30 in Sumavision Enhanced Multimedia Router (EMR) 3.0.4.27 allows creation of arbitrary users with elevated privileges (administrator) on a device, as demonstrated by a setString=new_user<*1*>administrator<*1*>123456 request.

    Drop everything exploited Auth & access Network gear Sumavision Enhanced Multimedia Router Firmware

    9.8 CRITICAL 15% exploit odds No fix listed
  17. CVE-2026-9586

    An unauthenticated SQL injection vulnerability exists in Sangoma Switchvox SMB Edition 8.3 (104997). The /pa endpoint processes XML content beginning with <PolycomIPPhone> and directly concatenates the user-controlled PhoneIP value into PostgreSQL queries without sanitization or parameterization. An unauthenticated remote attacker can execute arbitrary SQL statements against the backend PostgreSQL database using a single crafted request, including database operations and remote code execution.

    Drop everything exploited Injection Network gear Sangoma Switchvox

    9.3 CRITICAL 19% exploit odds No fix listed
  18. CVE-2025-34037

    An OS command injection vulnerability exists in various models of E-Series Linksys routers via the /tmUnblock.cgi and /hndUnblock.cgi endpoints over HTTP on port 8080. The CGI scripts improperly process user-supplied input passed to the ttcp_ip parameter without sanitization, allowing unauthenticated attackers to inject shell commands. This vulnerability was reported to be exploited in the wild by the "TheMoon" worm  in 2014 to deploy a MIPS ELF payload, enabling arbitrary code execution on the router. Additionally, this vulnerability may affect other Linksys products to include, but not limited to, WAG/WAP/WES/WET/WRT-series router models and Wireless-N access points and routers. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.

    Drop everything Injection Network gear

    10.0 CRITICAL 96% exploit odds No fix listed
  19. CVE-2025-4009

    The Evertz SDVN 3080ipx-10G is a High Bandwidth Ethernet Switching Fabric for Video Application. This device exposes a web management interface on port 80. This web management interface can be used by administrators to control product features, setup network switching, and register license among other features. The application has been developed in PHP with the webEASY SDK, also named ‘ewb’ by Evertz. This web interface has two endpoints that are vulnerable to arbitrary command injection (CVE-2025-4009, CVE-2025-10364) and the authentication mechanism has a flaw leading to authentication bypass (CVE-2025-10365). CVE-2025-4009 covers the command injection in feature-transfer-import.php CVE-2025-10364 covers the command injection in feature-transfer-export.php Remote unauthenticated attackers can gain arbitrary command execution with elevated privileges ( root ) on affected devices. This level of access could lead to serious business impact such as the interruption of media streaming, modification of media being streamed, alteration of closed captions being generated, among others.

    Drop everything Injection Network gear

    9.3 CRITICAL 74% exploit odds No fix listed
  20. CVE-2025-34027

    The Versa Concerto SD-WAN orchestration platform is vulnerable to an authentication bypass in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The Spack upload endpoint can be leveraged for a Time-of-Check to Time-of-Use (TOCTOU) write in combination with a race condition to achieve remote code execution via path loading manipulation, allowing an unauthenticated actor to achieve remote code execution (RCE).This issue is known to affect Concerto from 12.1.2 through 12.2.0. Additional versions may be vulnerable.

    Drop everything Code execution Network gear versa-networks Concerto

    10.0 CRITICAL 46% exploit odds No fix listed
  21. CVE-2026-95731

    Hardcoded password vulnerabilities in the command-line interface of HPE Networking Fabric Composer could allow an unauthenticated remote attacker to access the affected system using hardcoded credentials. Successful exploitation could allow an attacker to gain unauthorized administrative access to the affected system with elevated privileges.

    Auth & access Network gear

    9.8 CRITICAL 0.5% exploit odds No fix listed
  22. CVE-2026-95733

    A vulnerability exists in a component of HPE Networking Fabric Composer. Successful exploitation could allow an unauthenticated adjacent attacker to execute arbitrary code on the affected system.

    Code execution Network gear

    9.6 CRITICAL 0.2% exploit odds No fix listed
  23. CVE-2026-79589

    The WIFI4 N300 router (Model: T1 Pro) v1.0.0 by U-speed contains an insecure access control flaw that allows an attacker to gain unauthenticated root shell. The vulnerability is caused by the exposure of the UART debugging interface having a lack of authentication, authorization and access control functionality. Once the interface is soldered and connected to the attacker, they gain root privilege to the system.

    Auth & access Network gear

    9.8 CRITICAL 0.3% exploit odds No fix listed
  24. CVE-2026-121932

    A vulnerability was detected in Linksys E5350 1.0.00.037. This affects the function system of the file /wizard/apply.cgi. Performing a manipulation of the argument ping_ip/traceroute_ip results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

    Injection Network gear

    9.3 CRITICAL 2% exploit odds No fix listed
  25. CVE-2026-121933

    A flaw has been found in Linksys E5350 1.0.00.037. This impacts the function save_settings of the file /wizard/apply.cgi of the component Setup Wizard. Executing a manipulation of the argument wizard_router_pwd can lead to missing authentication. The attack may be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

    Auth & access Network gear

    9.3 CRITICAL 1.0% exploit odds No fix listed
  26. CVE-2026-103409

    A Missing authentication for critical function vulnerability in Juniper Networks Session Smart Router allows an unauthenticated network-based attacker to obtain administrative privileges by passing crafted URL parameters to an insecure endpoint running as root. Note that this vulnerability can only be exploited prior to the device being onboarded to Mist/Conductor. The issue can no longer be exploited once a device is onboarded to Mist/Conductor.

    Auth & access Network gear

    9.8 CRITICAL 0.3% exploit odds No fix listed
  27. CVE-2026-121615

    A vulnerability was determined in Linksys E5600 1.1.0.26. Affected is an unknown function of the file /cgi-bin/mesh_login.cgi of the component Login Handler. Executing a manipulation can lead to improper authentication. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

    Auth & access Network gear

    9.3 CRITICAL 0.8% exploit odds No fix listed
  28. CVE-2026-121609

    A vulnerability was identified in Qihoo 360 Whole Home Router M5 4.0.17.1566. This issue affects the function Home of the file /etc/init.d/mpt of the component Boot Script. The manipulation leads to hard-coded credentials. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

    Auth & access Network gear

    9.3 CRITICAL 0.5% exploit odds No fix listed
  29. CVE-2026-107656

    An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.6, FortiSandbox PaaS 4.4 all versions, FortiSandbox PaaS 4.2 all versions may allow attacker to execute unauthorized code or commands via crafted HTTP requests

    Auth & access Network gear

    9.8 CRITICAL 0.9% exploit odds No fix listed
  30. CVE-2026-121639

    A Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchronization configuration.

    Auth & access Network gear

    9.2 CRITICAL 0.7% exploit odds No fix listed
  31. CVE-2026-120279

    A flaw has been found in WAVLINK WN536AX6-A V260507. The affected element is an unknown function of the file /protocol.csp of the component openvpn_cli Handler. Executing a manipulation of the argument file_id can lead to os command injection. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure.

    Injection Network gear

    9.3 CRITICAL 2% exploit odds No fix listed
  32. CVE-2026-120280

    A vulnerability has been found in WAVLINK WN536AX6-A V260507. The impacted element is the function wireguard_cli_group handler of the file /protocol.csp of the component WireGuard. The manipulation of the argument group_id/group_name leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure.

    Injection Network gear

    9.3 CRITICAL 2% exploit odds No fix listed
  33. CVE-2026-116606

    An authentication bypass in Barracuda Email Security Gateway versions earlier than 9.4.0.030 allows an unauthenticated remote attacker to invoke a configuration-import function and restore a crafted, compatible backup archive, resulting in unauthorized modification of the appliance’s global configuration.

    Auth & access Network gear

    9.3 CRITICAL 0.7% exploit odds No fix listed
  34. CVE-2026-79847

    Buffer overflow vulnerabilities in the affected interface of AOS-10 could lead to unauthenticated remote code execution by sending specially crafted packets to the affected interface. Successful exploitation of this vulnerability results in the ability to execute arbitrary code as a privileged user on the underlying operating system.

    Memory safety Network gear

    10.0 CRITICAL 0.8% exploit odds No fix listed
  35. CVE-2026-79851

    Buffer overflow vulnerabilities exist in the affected interface of AOS-10 that could lead to unauthenticated remote code execution. Successful exploitation could allow an attacker to execute arbitrary code as a privileged user on the underlying operating system, leading to complete system compromise.

    Memory safety Network gear

    10.0 CRITICAL 0.8% exploit odds No fix listed
  36. CVE-2026-120281

    A vulnerability was found in WAVLINK WN536AX6-A V260507. This affects the function strcpy of the file /protocol.csp of the component OpenVPN Handler. The manipulation of the argument openvpn_ip results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure.

    Memory safety Network gear

    9.3 CRITICAL 0.6% exploit odds No fix listed
  37. CVE-2026-120283

    A vulnerability was identified in Linksys E8450 1.2.00.360516. Affected is the function strcpy of the file /www/cgi-bin/portal.cgi. Such manipulation of the argument hidden_timezone leads to stack-based buffer overflow. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.

    Memory safety Network gear

    9.3 CRITICAL 0.6% exploit odds No fix listed
  38. CVE-2026-121640

    An Authentication Bypass by Capture-replay vulnerability in WatchGuard AuthPoint Gateway allows an attacker who has observed a legitimate request between AuthPoint Gateway components to replay it and perform unauthorized administrative actions, including disrupting authentication services.

    Auth & access Network gear

    9.1 CRITICAL 0.5% exploit odds No fix listed
  39. CVE-2026-120189

    A vulnerability was identified in D-Link DIR-505 1.10B02. Affected is the function save_upload_file/mp_upload_file of the file /usr/bin/tftpd of the component TFTP Upload Filename Handler. The manipulation leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.

    Memory safety Network gear

    9.3 CRITICAL 1% exploit odds No fix listed
  40. CVE-2026-121638

    An Improper Certificate Validation vulnerability in WatchGuard AuthPoint Gateway allows an attacker with an on-path network position to intercept and modify communications between the AuthPoint Gateway and local authentication providers.

    Crypto Network gear

    9.1 CRITICAL 0.3% exploit odds No fix listed
  41. CVE-2026-82104

    In Teltonika Networks RUTOS devices running versions from 7.22 through 7.24.2 and TSWOS devices running versions 1.9 through 1.10, a vulnerability exists whereby an unauthenticated user can directly call LUA functions, bypassing validations that might be called under normal API requests. Due to those requests not following proper flows, this could lead to OS command execution. This issue affects RUT: from 7.22 through 7.24.2; RUTX: from 7.22 through 7.24.2; RUTM: from 7.22 through 7.24.2; RUTC: from 7.22 through 7.24.2; ATRM: from 7.22 through 7.24.2; TAP: from 7.22 through 7.24.2; CAP: from 7.22 through 7.24.2; OXA: from 7.22 through 7.24.2; DAP: from 7.22 through 7.24.2; TRB: from 7.22 through 7.24.2; OTD: from 7.22 through 7.24.2; EBG: from 7.22 through 7.24.2; SWM: from 1.9 through 1.10; TSW: from 1.9 through 1.10.

    Auth & access Network gear

    9.4 CRITICAL 0.4% exploit odds No fix listed
  42. CVE-2026-109593

    An unauthenticated attacker with network access to the SonicWall GMS 9.5.2 and earlier versions may be able to read internal GMS files, potentially exposing sensitive information.

    Disclosure Network gear

    9.1 CRITICAL 0.5% exploit odds No fix listed
  43. CVE-2026-76531

    As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76531 are related to files or directories accessible to external parties and are grouped under the Common Weakness Enumeration (CWE) CWE-552.

    Disclosure Network gear

    9.9 CRITICAL 0.4% exploit odds No fix listed
  44. CVE-2026-76302

    As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76302 are related to improper neutralization and are grouped under the Common Weakness Enumeration (CWE) CWE-707.

    Other Network gear

    9.9 CRITICAL 0.4% exploit odds No fix listed
  45. CVE-2026-76299

    As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76299 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.

    Auth & access Network gear

    9.9 CRITICAL 0.3% exploit odds No fix listed
  46. CVE-2026-97854

    Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an OS command injection vulnerability. Arbitrary OS commands may be executed by sending a specially crafted request to the affected product.

    Injection Network gear

    9.3 CRITICAL 1% exploit odds No fix listed
  47. CVE-2026-76527

    As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76527 are related to improper check or handling of exceptional conditions and are grouped under the Common Weakness Enumeration (CWE) CWE-703.

    Other Network gear

    9.8 CRITICAL 0.4% exploit odds No fix listed
  48. CVE-2026-76407

    As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76407 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.

    Auth & access Network gear

    9.8 CRITICAL 0.4% exploit odds No fix listed
  49. CVE-2026-76408

    As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76408 are related to improper control of a resource through its lifetime and are grouped under the Common Weakness Enumeration (CWE) CWE-664.

    Other Network gear

    9.8 CRITICAL 0.4% exploit odds No fix listed
  50. CVE-2026-76529

    As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76529 are related to improper protection of alternate path and are grouped under the Common Weakness Enumeration (CWE) CWE-424.

    Disclosure Network gear

    9.8 CRITICAL 0.4% exploit odds No fix listed

Critical CVEs are vulnerabilities scored 9.0 or higher on the CVSS scale. This list shows the ones with no patch or vendor advisory linked yet, ranked by how likely they are to be exploited (EPSS).