CVE•Published 2026-02-17•Modified 2026-09-21•1 article on news•7 live references•NVD data
CVE-2026-26731Totolink · A3002ru_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
TOTOLINK A3002RU V2.1.1-B20211108.1455 was discovered to contain a stack-based buffer overflow via the routernamer`parameter in the formDnsv6 function.
Timeline
Published 2026-02-17
Modified 2026-09-21
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).
Shodan · vuln tag0 hosts
vuln:CVE-2026-26731Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"A3002ru Firmware"Hosts Shodan identified as running A3002ru Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2026-26731Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-26731Censys host search filtered to this CVE id.
grep.app
CVE-2026-26731Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-26731GitHub code search for direct mentions.
Google dork
"CVE-2026-26731" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-26731 on GitHub.