What is CVE-2026-36611?

CVE-2026-36611 is a high-severity vulnerability in N/a, classified under Information Disclosure. CVSS score: 7.3/10. Published 2026-06-03.

How severe is CVE-2026-36611?

High severity. CVSS v3 base score is 7.3 out of 10.

Information disclosure in N/a

CVE-2026-36611

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 attac…

Vulnerability class: Information Disclosure

EPSS: 0.000 (11.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-36611?: CVE-2026-36611 is a high-severity vulnerability in N/a, classified under Information Disclosure. CVSS score: 7.3/10. Published 2026-06-03.
How severe is CVE-2026-36611?: High severity. CVSS v3 base score is 7.3 out of 10.