CVE-2026-5004
Wavlink WL-WN579X3-C UPNP firewall.cgi sub_4019FC stack-based overflow
Vexday Risk Score
41Atención
Decisión SSVC (CISA)
Attend
PoC disponible → seguir de cerca
CVSS 8.7EPSS 0.7%KEV nãoPoC públicaNuclei —Metasploit —Patch —
Ciclo de vida
28 mar 2026Publicada en NVD
Recomendación: Planificar corrección próxima — ya existe PoC pública.
A vulnerability was determined in Wavlink WL-WN579X3-C 231124. This impacts the function sub_4019FC of the file /cgi-bin/firewall.cgi of the component UPNP Handler. Executing a manipulation of the argument UpnpEnabled can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Productos afectados
Wavlink · WL-WN579X3-CPoCs públicas encontradas — 1
cve_referencegithub.com/Litengzheng/vul_db/blob/main/WL-WN579X3-C/vul_200/README.mdno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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