What is GHSA-rv93-ggmg-88r9?

GHSA-rv93-ggmg-88r9 is a security advisory published by GitHub Security Advisories with Medium severity. Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 does not validate the HTTP Host...

Which CVE IDs does GHSA-rv93-ggmg-88r9 cover?

GHSA-rv93-ggmg-88r9 covers the following CVE IDs: CVE-2026-36604. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rv93-ggmg-88r9?

GHSA-rv93-ggmg-88r9 has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-rv93-ggmg-88r9MediumCVSS 6.5

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 does not validate the HTTP Host...

Vendor

GitHub Security Advisories

Published

June 3, 2026

Last Modified

June 3, 2026

🔗 CVE IDs covered (1)

CVE-2026-36604 →

📋 Description

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 does not validate the HTTP Host header, enabling DNS rebinding attacks. An external attacker can rebind a domain to the router's internal IP address, extending the CORS wildcard vulnerability (Access-Control-Allow-Origin: *) to internet-originated attacks.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-36604
https://github.com/Tymbark7372/MERCUSYS-AC12G/blob/master/advisories/CVE-2026-36604.md
https://github.com/advisories/GHSA-rv93-ggmg-88r9