CVE-2026-36606
HIGH
7,1
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Attack Vector: local
Attack Complexity: low
Privileges Required: low
User Interaction: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: none
Description
AI Translation Available
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.
798
Use of Hard-coded Credentials
DraftCommon Consequences
Security Scopes Affected:
Access Control
Integrity
Confidentiality
Availability
Other
Potential Impacts:
Bypass Protection Mechanism
Read Application Data
Gain Privileges Or Assume Identity
Execute Unauthorized Code Or Commands
Other
Applicable Platforms
Technologies:
Mobile, ICS/OT
https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-3…