CVE-2022-43970

Buffer overflow in Linksys WRT54GL

State
Published
Severity
7.2 High
Published
Jan 9, 2023
Updated
Apr 9, 2025
Reserved
Oct 28, 2022

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.17.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Htrellix

Weaknesses

  • CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

ProductVersions
WRT54GL Wireless-G Broadband RouterLinksys
  • Firmware through 4.30.18.006Affected

References

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