CVE-2026-36611

CVE-2026-36611 affects Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909. When the device processes UPnP POST requests on port 1900 without a SOAPAction header, it returns 128 bytes of uninitialized memory, exposing internal data to unauthenticated adjacent-network attackers. The NVD/NVD-d...