PT-2026-45992 · Undefined · Undefined

Published 2026-06-03 · Updated 2026-06-03 · CVE-2026-36604

Mitre

CVSS v3.1

6.5

Medium

Base vector

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

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.

Exploit

Fix

Weakness Enumeration

CWE-350

Related Identifiers

CVE-2026-36604

Affected Products

Undefined

References · 2

• 🔥 https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36604.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-36604 · Security Note