CVE-2026-36604

MediumCVSS 6.5/10Last modified Jul 22, 2026

Description

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability (Access-Control-Allow-Origin: *) to internet-originated attacks.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-350

Affected software

No affected versions have been published.

Timeline

Published
Jun 3, 2026
Last modified
Jul 22, 2026
NVD status
Deferred

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CVE-2026-36604: Medium severity, CVSS 6.5 | Vulnix