CVE-2026-36605

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 is vulnerable to a HTTP denial of service via a low number of crafted incomplete HTTP requests, causing a persistent crash that requires physical power cycling to recover.

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