CVE-2026-36603

Katalog CVE

CVSS 8.1 · High EPSS 0,33%

Kerentanan Missing Authentication for Critical Function. Skor CVSS 3.1 8.1 (High) menurut CISA ADP.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

3 Juni 2026

Terakhir diubah

22 Juli 2026

Status NVD

Deferred

CVSS 3.1

8.1 (High), sumber CISA ADP
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-306: Missing Authentication for Critical Function

EPSS (30 hari)

0,33% peluang dieksploitasi; lebih tinggi dari 24,0% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36603.md