Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 exposes 15 of 18 UPnP IGD actions without authentication on port 1900, including AddPortMapping and GetExternalIPAddress. UPnP is enabled by default through the admin interface, allowing any unauthenticated LAN device to create arbitrary port forwarding rules and access WAN traffic statistics.
References
Configurations
No configuration.
History
05 Jun 2026, 02:17
| Type | Values Removed | Values Added |
|---|---|---|
| CWE | CWE-306 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 8.1 |
03 Jun 2026, 18:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-06-03 18:16
Updated : 2026-06-05 02:17
NVD link : CVE-2026-36603
Mitre link : CVE-2026-36603
CVE.ORG link : CVE-2026-36603
JSON object : View
Products Affected
No product.
CWE
CWE-306
Missing Authentication for Critical Function