What is GHSA-54f9-jfc2-qh3v?

GHSA-54f9-jfc2-qh3v is a security advisory published by GitHub Security Advisories with High severity. A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630_B20250509. This impacts the function...

Which CVE IDs does GHSA-54f9-jfc2-qh3v cover?

GHSA-54f9-jfc2-qh3v covers the following CVE IDs: CVE-2026-82539. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-54f9-jfc2-qh3v?

GHSA-54f9-jfc2-qh3v has a CVSS v3 base score of 9.1, published by GitHub Security Advisories.

GHSA-54f9-jfc2-qh3vHighCVSS 9.1

A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630_B20250509. This impacts the function...

Vendor

GitHub Security Advisories

Published

August 30, 2026

Last Modified

August 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-82539 →

📋 Description

A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630_B20250509. This impacts the function setMacFilterRules of the file cstecgi.cgi of the component MAC Filtering. Executing a manipulation of the argument desc can lead to memory corruption. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.

🔗 References (8)

https://nvd.nist.gov/vuln/detail/CVE-2026-82539
https://github.com/Xernary/CVE-2026-82539
https://vuldb.com/cve/CVE-2026-82539
https://vuldb.com/submit/888696
https://vuldb.com/vuln/397055
https://vuldb.com/vuln/397055/cti
https://www.totolink.net
https://github.com/advisories/GHSA-54f9-jfc2-qh3v