CVE-2026-36606

Published June 3rd, 2026

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CVSS v3

7.1

HIGH

CVSS v2

N/A

Affected

PROJECT

Description

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.

Tymbark7372/MERCUSYS-AC12G

15 CVEs in Mercusys AC12G (EU) V1 - 2 Critical, 4 High, 8 Medium, 1 Low

GitHub