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THREAT OPS › Threat News › [NVD] CVE-2026-82539 (CRITICAL 9.1) — 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 remo

[NVD] CVE-2026-82539 (CRITICAL 9.1) — 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 remo

mednvdPublished 2026-08-30

CVE-2026-82539 CVSS: 9.1 CRITICAL Published: 2026-08-30T11:17:35.067

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

Indicators of compromise

CVE-2026-82539cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-82539