CVE•Published 2026-08-30•Modified 2026-09-01•1 article on news•5 live references•NVD data
CVE-2026-82539
Vulnerability data via NVD (ingested)
CVSS v3.1
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
46
Exploit Prediction Scoring System · top 54% of all CVEs
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.
Timeline
Published 2026-08-30
Modified 2026-09-01
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-82539Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-82539Censys host search filtered to this CVE id.
grep.app
CVE-2026-82539Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-82539GitHub code search for direct mentions.
Google dork
"CVE-2026-82539" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.