What is CVE-2026-36608?

CVE-2026-36608 is a high-severity vulnerability in N/a, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 8.8/10. Published 2026-06-03.

How severe is CVE-2026-36608?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in N/a

CVE-2026-36608

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 allows UPnP AddPortMapping to forward external ports to the router's own admin interface by accepting its own IP (192.168.1.1) or localhost (127.0.0.1) as InternalClient. An u…

EPSS: 0.000 (3.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)

References

cve@mitre.org

Frequently asked questions

What is CVE-2026-36608?: CVE-2026-36608 is a high-severity vulnerability in N/a, classified under Unintended Proxy or Intermediary (Confused Deputy). CVSS score: 8.8/10. Published 2026-06-03.
How severe is CVE-2026-36608?: High severity. CVSS v3 base score is 8.8 out of 10.