CVE-2026-36607
HIGH
NVD
CVSS Score
8.8
Severity
HIGH
Published
Jun 03, 2026
Vendor
unknown
Description
Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 allows unauthenticated brute-force attacks via the TDDP password change endpoint (code=10), which lacks the rate limiting applied to the login endpoint (code=7). An attacker on the adjacent network can attempt unlimited passwords without triggering account lockout.