CVE-2026-36606

—

CVSS 3.1

7.1 high

EPSS

<1%p1

Published

Jun 3, 2026 (Jun 3, 2026)

Modified

Jul 22, 2026

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.

Weakness: CWE-798
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.1%)

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