CVE-2022-43973

Arbitrary code execution 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

An arbitrary code execution vulnerability exisits in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. The Check_TSSI function within the httpd binary uses unvalidated user input in the construction of a system command. An authenticated attacker with administrator privileges can leverage this vulnerability over the network via a malicious POST request to /apply.cgi to execute arbitrary commands on the underlying Linux operating system as root.

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-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

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

References

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