CVE-2026-121931Linksys WRT54GL Traceroute Diagnostic Function apply.cgi system os command injection

Beschreibung

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 injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

Referenzen und Patches

• VDB-431043 | Linksys WRT54GL Traceroute Diagnostic Function apply.cgi system os command injection vdb-entrytechnical-description
• VDB-431043 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
• CVE-2026-121931 | CVE Analysis and Report third-party-advisory
• Submit #1024099 | Linksys WRT54GL 4.30.18 OS Command Injection (CWE-78) third-party-advisory
• https://github.com/Zimo-666/WRT54GL-cves/tree/main/CVE-TBD-traceroute-ip-command-injection exploit
• https://www.linksys.com/ product