CVE-2026-82539: Memory Corruption in TOTOLINK A720R
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.
CVE-2026-82539: Memory Corruption in TOTOLINK A720R
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 v4.0
Score 9.4critical
Affected software
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulDB
- Date Reserved
- 2026-08-29T17:39:50.384Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a940476acd9273b4968154b
Added to database: 08/30/2026, 10:22:46 UTC
Last updated: 08/30/2026, 11:37:02 UTC
Views: 6
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