PT-2023-23443 · Linksys · Linksys Wrt54G

Published 2023-05-22 · Updated 2023-05-30 · CVE-2023-31742

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linksys WRT54GL router version 4.30.18.006

Description The issue is a command injection vulnerability. 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.

Recommendations For version 4.30.18.006, as a temporary workaround, consider restricting access to the vulnerable parameters wl ant, wl rate, WL atten ctl, ttcp num, ttcp size in the httpd's Start EPI() function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Weakness Enumeration

CWE-77

Related Identifiers

CVE-2023-31742

Affected Products

Linksys Wrt54G

References · 6

• 🔥 https://github.com/D2y6p/CVE/blob/main/Linksys/CVE-2023-31742/Linksys_WRT54GL_RCE.pdf · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-31742 · Security Note
• https://osv.dev/vulnerability/CVE-2023-31742 · Vendor Advisory
• https://t.me/cvenotify/51374 · Telegram Post
• https://t.me/cibsecurity/64552 · Telegram Post
• http://linksys.com · Note