CVE-2026-121931: falha crítica em Linksys WRT54GL
Linksys WRT54GL Traceroute Diagnostic Function apply.cgi system os command injection
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
48Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 9.4epss 2.7%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
Produtos afetados
Linksys · WRT54GLPoCs públicas encontradas — 1
cve_referencegithub.com/Zimo-666/WRT54GL-cves/tree/main/CVE-TBD-traceroute-ip-command-injectionnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
CVEs relacionadas — Linksys WRT54GL
No mesmo produto, das mais perigosas para as menos.
CVE-2026-121930CRITICALLinksys WRT54GL Ping Diagnostic apply.cgi system os command injectionEPSS 2.7%CVE-2024-1404MEDIUMLinksys WRT54GL Web Management Interface SysInfo.htm information disclosureEPSS 0.8%CVE-2024-1406MEDIUMLinksys WRT54GL Web Management Interface SysInfo1.htm information disclosureEPSS 0.5%CVE-2024-1405MEDIUMLinksys WRT54GL Web Management Interface wlaninfo.htm information disclosureEPSS 0.4%