Vulnerability · Published Jan 9, 2023 · Assigned by trellix
CVE-2022-43973Arbitrary code execution in Linksys WRT54GL
High 7.2
In plain English
A high-severity OS command injection in WRT54GL Wireless-G Broadband Router from Linksys. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linksys | WRT54GL Wireless-G Broadband Router | Firmware – through 4.30.18.006 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H