CVE-2026-36603

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 is affected by an UPnP IGD vulnerability. The device exposes 15 of 18 UPnP IGD actions on port 1900 without authentication, including AddPortMapping and GetExternalIPAddress. UPnP is enabled by default via the admin interface, allowi...