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.

CVSS Vector

References

• 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/