CVE-2026-36608

Published June 3rd, 2026

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CVSS v3

8.8

HIGH

CVSS v2

N/A

Affected

PROJECT

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.

Tymbark7372/MERCUSYS-AC12G

15 CVEs in Mercusys AC12G (EU) V1 - 2 Critical, 4 High, 8 Medium, 1 Low

GitHub