CVE-2022-43973CWE-78

Arbitrary code execution in Linksys WRT54GL

High · published January 9, 2023

CVSS v3.1
7.2
EPSS
2%
Percentile
79.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01935 · 79.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2023-01-09T00:00Z
EPSS history
Timeline
  • 09 JAN 00:00Z
    Arbitrary code execution in Linksys WRT54GL
    cvelistv5