What is GHSA-8fj4-cvwx-w9w2?

GHSA-8fj4-cvwx-w9w2 is a security advisory published by GitHub Security Advisories with Critical severity. Incorrect access control in the setMacFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015...

Which CVE IDs does GHSA-8fj4-cvwx-w9w2 cover?

GHSA-8fj4-cvwx-w9w2 covers the following CVE IDs: CVE-2026-51701. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8fj4-cvwx-w9w2?

GHSA-8fj4-cvwx-w9w2 has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-8fj4-cvwx-w9w2CriticalCVSS 9.1

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

Vendor

GitHub Security Advisories

Published

August 31, 2026

Last Modified

September 1, 2026

🔗 CVE IDs covered (1)

CVE-2026-51701 →

📋 Description

Incorrect access control in the setMacFilterRules function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to change device access control via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2026-51701
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-8fj4-cvwx-w9w2