CVE-2026-36611 | THREATINT

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.

PUBLISHED Reserved 2026-04-06 | Published 2026-06-03 | Updated 2026-06-03 | Assigner mitre

References

github.com/...AC12G/blob/master/advisories/CVE-2026-36611.md

cve.org (CVE-2026-36611)

nvd.nist.gov (CVE-2026-36611)

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