VULNERABILITY INTELLIGENCE
CVE-2026-36607
CVSS score8.8 HIGH
EPSS probability0.18%
CISA KEVNot currently listed
Published2026-06-03
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- CWE-307: Improper Restriction of Excessive Authentication Attempts