SecuriTricks - CVE-2026-36616

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.

Product(s) Impacted

Vendor	Product	Versions
Mercusys	Ac12g	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-798

Use of Hard-coded Credentials

The product contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mercusys	ac12g	/	/	/	/	/	/	/	/

References

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

CVSS Score

5.9 / 10

CVSS Data - 3.1

Attack Vector: ADJACENT_NETWORK
Attack Complexity: HIGH
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: LOW
Availability Impact: NONE

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

View Vector String

Timeline

Published: June 3, 2026, 6:16 p.m.
Last Modified: June 4, 2026, 3:41 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-36616