What is GHSA-fvhh-w2mm-jjhf?

GHSA-fvhh-w2mm-jjhf is a security advisory published by GitHub Security Advisories with Medium severity. Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 returns 128 bytes of uninitialized...

Which CVE IDs does GHSA-fvhh-w2mm-jjhf cover?

GHSA-fvhh-w2mm-jjhf covers the following CVE IDs: CVE-2026-36613. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-fvhh-w2mm-jjhf?

GHSA-fvhh-w2mm-jjhf has a CVSS v3 base score of 4.3, published by GitHub Security Advisories.

GHSA-fvhh-w2mm-jjhfMediumCVSS 4.3

Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 returns 128 bytes of uninitialized...

Vendor

GitHub Security Advisories

Published

June 3, 2026

Last Modified

June 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-36613 →

📋 Description

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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-36613
https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36613.md
https://github.com/advisories/GHSA-fvhh-w2mm-jjhf