CVE-2026-36616

State: Published
Severity: 5.9 Medium
Published: Jun 3, 2026
Updated: Jun 4, 2026
Reserved: Apr 6, 2026

Description

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 contains hardcoded WiFi driver credentials including a RADIUS shared secret, WPS test key, and default PSK embedded in the production firmware binary.

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N	CISA-ADP

Weaknesses

CWE-798 Use of Hard-coded Credentials
CWE-1188 Initialization of a Resource with an Insecure Default

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36616.md

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