CVE-2026-36603
High · 8.1CVSS
8.1
EPSS
0.3%
Published
Jun 3, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-114636 Traefik v3.7.13 before v3.7.14 contains an access-control bypass in the Kubernetes… CWE-306
- CVE-2026-112104 A flaw has been found in eremef bandcamp-player up to 1.8.33-beta. CWE-306
- CVE-2026-53714 Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or… CWE-306
- CVE-2026-89261 MoguBlog through 6.2 exposes Elasticsearch index management endpoints in the mogu_search… CWE-306
- CVE-2026-89250 WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains an… CWE-306
- CVE-2026-89176 WeenyGenius, a computer lab management system developed by Howyar Technologies, has a… CWE-306
- CVE-2026-88285 GeoVision GV-LPC2211 V1.13 exposes a network-accessible PTZ control service without… CWE-306
- CVE-2026-87924 A security vulnerability has been detected in Rizwan17 inventory-management-system up to… CWE-306