High severity8.8NVD Advisory· Published Jun 3, 2026· Updated Jun 4, 2026
CVE-2026-36608
CVE-2026-36608
Description
Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 allows UPnP AddPortMapping to forward external ports to the router's own admin interface by accepting its own IP (192.168.1.1) or localhost (127.0.0.1) as InternalClient. An unauthenticated LAN attacker can expose the admin panel to the internet with a single SOAP request.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1Patches
Vulnerability mechanics
References
1News mentions
1- Mercusys AC12G Router: 15 Vulnerabilities Disclosed on June 3, 2026Vypr Intelligence · Jun 3, 2026