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NVD CRITICAL: CVE-2026-82539 — A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630_B20250509. This imp...

·Source: NIST NVD

Updated:

Executive Summary

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.

Analysis

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 Score: 9.1. Published: 2026-08-30T11:17:35.067.

Indicators of Compromise (1)

CVE (1)
CVE-2026-82539
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Aug 30, 2026. Verified by: NIST.

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