WRT54GL vulnerabilities

3 known vulnerabilities in WRT54GL from Linksys. 3 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

Latest first

• 9.1 Critical severity

  WRT54GL: Improper Neutralization of Special Elements used in a Command

  CVE-2026-121931Nov 4, 2026LinksysEPSS 2.72%

  A security vulnerability has been detected in Linksys WRT54GL 4.30.18. The impacted element is the function system of the file apply.cgi of the component Traceroute Diagnostic Function. Such manipulation of the argument traceroute_ip leads to os command inject

• 9.1 Critical severity

  WRT54GL: Improper Neutralization of Special Elements used in a Command

  CVE-2026-121930Nov 4, 2026LinksysEPSS 2.72%

  A weakness has been identified in Linksys WRT54GL 4.30.18. The affected element is the function system of the file apply.cgi of the component Ping Diagnostic. This manipulation of the argument ping_ip causes os command injection. The attack can be initiated re

• 7.5 High severity

  WRT54GL: Exposure of Sensitive Information to an Unauthorized Actor

  CVE-2024-1404Feb 9, 2024Linksys

  A vulnerability was found in Linksys WRT54GL 4.30.18 and classified as problematic. Affected by this issue is some unknown functionality of the file /SysInfo.htm of the component Web Management Interface. The manipulation leads to information disclosure. The e