CVE-2026-36616

Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days.

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 contains hardcoded WiFi driver credentials including a RADIUS shared secret, WPS test key, and default PSK embedded in the production firmware binary.

Published 2026-06-03. Last modified 2026-07-22.