What is GHSA-c3cx-qmjc-794q?

GHSA-c3cx-qmjc-794q is a security advisory published by GitHub Security Advisories with Medium severity. An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0...

Which CVE IDs does GHSA-c3cx-qmjc-794q cover?

GHSA-c3cx-qmjc-794q covers the following CVE IDs: CVE-2026-12489. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c3cx-qmjc-794q?

GHSA-c3cx-qmjc-794q has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-c3cx-qmjc-794qMediumCVSS 6.5

An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0...

Vendor

GitHub Security Advisories

Published

October 20, 2026

Last Modified

October 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-12489 →

📋 Description

An incorrect authorization vulnerability in the Data Access Layer (DAL) of Zyxel EX3501-T0 firmware versions through 5.44(ACHR.6)C0 could allow an authenticated attacker to escalate privileges by modifying the login_privilege data on an affected device.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-12489
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-incorrect-authorization-vulnerability-in-the-dal-of-certain-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-and-wireless-extenders-10-20-2026
https://github.com/advisories/GHSA-c3cx-qmjc-794q