CVE-2018-19524
What it is
An issue was discovered on Shenzhen Skyworth DT741 Converged Intelligent Terminal (G/EPON+IPTV) SDOTBGN1, DT721-cb SDOTBGN1, and DT741-cb SDOTBGN1 devices. A long password to the Web_passwd function allows remote attackers to cause a denial of service (segmentation fault) or achieve unauthenticated remote code execution because of control of registers S0 through S4 and T4 through T7.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 50.5% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- 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: 50.5% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: none linked yet, which raises it.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Exploit probability
- 50.5% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Skyworthdigital dt740 Firmware sdotbgn1
- Skyworthdigital dt721-cb Firmware sdotbgn1
- Skyworthdigital dt741-cb Firmware sdotbgn1
Attack profile CVSS 3.0 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/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-2018-19524.md and follow it. Check whether this project is affected by CVE-2018-19524. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.html
- http://seclists.org/fulldisclosure/2019/Feb/30
- https://s3curityb3ast.github.io/KSA-Dev-001.md
- https://seclists.org/bugtraq/2019/Feb/21
- https://www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html
- https://www.exploit-db.com/exploits/46358/
- http://packetstormsecurity.com/files/151608/Skyworth-GPON-HomeGateways-Optical-Network-Stack-Overflow.html
- http://seclists.org/fulldisclosure/2019/Feb/30
- https://s3curityb3ast.github.io/KSA-Dev-001.md
- https://seclists.org/bugtraq/2019/Feb/21
- https://www.breakthesec.com/2019/02/cve-2018-19524-stack-overflow-in.html
- https://www.exploit-db.com/exploits/46358/