What is GHSA-68j6-9q5v-hxhw?

GHSA-68j6-9q5v-hxhw is a security advisory published by GitHub Security Advisories with Critical severity. Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows...

Which CVE IDs does GHSA-68j6-9q5v-hxhw cover?

GHSA-68j6-9q5v-hxhw covers the following CVE IDs: CVE-2026-51689. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-68j6-9q5v-hxhw?

GHSA-68j6-9q5v-hxhw has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-68j6-9q5v-hxhwCriticalCVSS 9.1

Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows...

Vendor

GitHub Security Advisories

Published

August 31, 2026

Last Modified

September 2, 2026

🔗 CVE IDs covered (1)

CVE-2026-51689 →

📋 Description

Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-51689
https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md
https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md
https://www.totolink.net
https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html
https://github.com/advisories/GHSA-68j6-9q5v-hxhw