CVE-2026-121931 in WRT54GL
Prediction
by VulDB Data Team • 11/04/2026
A security vulnerability has been detected in <a href="/product/linksys:wrt54gl">Linksys WRT54GL 4.30.18</a>. The impacted element is the function <code>system</code> of the file <em>apply.cgi</em> of the component <em>Traceroute Diagnostic Function</em>. Such manipulation of the argument <em>traceroute_ip</em> 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.
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