VULNERABILITY INTELLIGENCE

CVE-2026-36611

CVSS score7.3 HIGH
EPSS probability0.23%
CISA KEVNot currently listed
Published2026-06-03
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Description

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 returns 128 bytes of uninitialized buffer when receiving POST requests without SOAPAction header on UPnP port 1900, exposing internal memory to unauthenticated adjacent network attackers.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-200

Primary references