CVE-2026-36606
HIGHMercusys AC12G (EU) V1 - Hardcoded DES Key Credential Exposure via Configuration Backup
Title source: llmDescription
Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 encrypts configuration backups with a hardcoded DES key using single DES in ECB mode. An attacker who obtains a backup file can decrypt it to recover all stored credentials including admin password, WiFi PSK, and DDNS credentials.
References (1)
Core 1
Scores
CVSS v3
7.1
EPSS
0.0010
EPSS Percentile
1.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-798
Status
published
Published
Jun 03, 2026
Tracked Since
Jun 03, 2026