CVE-2022-43970 in the critical feed json
Buffer overflow in Linksys WRT54GL
published 3y ago modified 4mo ago also EUVD-2022-46938
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 19.5%
- EPSS 19.5% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A buffer overflow vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A stack-based buffer overflow in the Start_EPI function within the httpd binary allows an authenticated attacker with administrator privileges to execute arbitrary commands on the underlying Linux operating system as root. This vulnerablity can be triggered over the network via a malicious POST request to /apply.cgi.
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- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
19.45% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Linksys WRT54GL Wireless-G Broadband Router
Classification
References
-
youtu.be
/73-1lhvJPNg
exploit, third-party-advisory
-
youtu.be
/TeWAmZaKQ_w
exploit, third-party-advisory
-
youtu.be
/RfWVYCUBNZ0
exploit, third-party-advisory
Sources
- CVE List CVE-2022-43970
- NVD CVE-2022-43970
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