CVE-2026-36611
HIGHMercusys AC12G (EU) V1 - Unauthenticated Information Disclosure via UPnP POST Request
Title source: llmDescription
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.
References (1)
Core 1
Scores
CVSS v3
7.3
EPSS
0.0023
EPSS Percentile
13.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-200
Status
published
Published
Jun 03, 2026
Tracked Since
Jun 03, 2026