PT-2026-45994 · Undefined · Undefined

Published

2026-06-03

·

Updated

2026-06-03

·

CVE-2026-36606

CVSS v3.1

7.1

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
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.

Exploit

Fix

Using Hardcoded Credentials

Weakness Enumeration

Related Identifiers

CVE-2026-36606

Affected Products

Undefined