Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV N L N H N H H H 8.5 .0083 56.2 —
AFFECTED Product Versions Fixed A720R 4.1.5cu.630_B20250509 – —
TIMELINE Aug 29 Reserved by VulDB Aug 30 Published (CNA: VulDB) Sep 1 EXPLOIT PUBLISHED — CVE-2026-82539 (TOTOLINK A720R). Public exploit reference added.
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.
| Date | Event | Detail |
|---|---|---|
| August 29, 2026 | Reserved | Reserved by VulDB |
| August 30, 2026 | Published | Published (CNA: VulDB) |
| September 1, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-82539 (TOTOLINK A720R). Public exploit reference added. |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| TOTOLINK | A720R | — | 4.1.5cu.630_B20250509 | — |
Authoritative record: CVE-2026-82539 at cve.org
Vendors: totolink
Weaknesses: CWE-119
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-82539 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
