Out-of-bounds Read in N/a

CVE-2026-36613

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 returns 128 bytes of uninitialized internal buffer contents when receiving HTTP POST requests to undefined paths, exposing server state to unauthenticated adjacent network attackers.

Vulnerability class: Buffer Overflow

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-36613?
CVE-2026-36613 is a medium-severity vulnerability in N/a, classified under Out-of-bounds Read. CVSS score: 4.3/10. Published 2026-06-03.
How severe is CVE-2026-36613?
Medium severity. CVSS v3 base score is 4.3 out of 10.