CVE-2018-21113
What it is
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6100 before 1.0.0.58, D7800 before 1.0.1.42, R6100 before 1.0.1.28, R7500 before 1.0.0.130, R7500v2 before 1.0.3.36, R7800 before 1.0.2.52, R8900 before 1.0.4.12, R9000 before 1.0.4.12, WNDR3700v4 before 1.0.2.102, WNDR4300 before 1.0.2.104, WNDR4300v2 before 1.0.0.56, and WNDR4500v3 before 1.0.0.56.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.6% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.6% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.6% · EPSS, next 30 days
- Weakness
- CWE-74
- Record status
- Modified
Affected
- Netgear d6100 Firmware < 1.0.0.58
- Netgear d7800 Firmware < 1.0.1.42
- Netgear r6100 Firmware < 1.0.1.28
- Netgear r7500 Firmware < 1.0.0.130
- Netgear r7500 Firmware < 1.0.3.36
- Netgear r7800 Firmware < 1.0.2.52
- Netgear r8900 Firmware < 1.0.4.12
- Netgear r9000 Firmware < 1.0.4.12
Attack profile CVSS 3.1 · 8.8
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-21113.md and follow it. Check whether this project is affected by CVE-2018-21113. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://kb.netgear.com/000060438/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2018-0033
- https://kb.netgear.com/000060438/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-Routers-and-Modem-Routers-PSV-2018-0033