CVE-2026-36604
Medium · 6.5CVSS
6.5
EPSS
0.4%
Published
Jun 3, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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