CVE-2026-36607
HIGHMercusys AC12G (EU) V1 - Unauthenticated Brute-Force Attack via TDDP Password Change Endpoint
Title source: llmDescription
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.
References (1)
Core 1
Scores
CVSS v3
8.8
EPSS
0.0018
EPSS Percentile
7.8%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-307
Status
published
Published
Jun 03, 2026
Tracked Since
Jun 03, 2026