CVE-2023-31742

HIGH

Linksys WRT54GL 4.30.18.006 - Command Injection

Title source: llm

Description

There is a command injection vulnerability in the Linksys WRT54GL router with firmware version 4.30.18.006. If an attacker gains web management privileges, they can inject commands into the post request parameters wl_ant, wl_rate, WL_atten_ctl, ttcp_num, ttcp_size in the httpd s Start_EPI() function, thereby gaining shell privileges.

Exploits (1)

metasploit WORKING POC

rubypoc

https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/admin/http/linksys_wrt54gl_exec.rb

View Code ZIP pw:eip

References (2)

[Product] http://linksys.com

[Exploit, Mitigation, Third Party Advisory] https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31742/Linksys_WRT54GL_RCE.pdf

Scores

CVSS v3 7.2

EPSS 0.6498

EPSS Percentile 98.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Classification

CWE

CWE-77

Status published

Affected Products (1)

linksys/wrt54gl_firmware

Timeline

Published May 22, 2023

Tracked Since Feb 18, 2026