CVE•Published 2025-08-29•Modified 2026-10-18•1 article on news•6 live references•NVD data
CVE-2025-9605Tenda · Ac21_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
93
Exploit Prediction Scoring System · top 7% of all CVEs
Weaknesses (CWE)
Description
A security vulnerability has been detected in Tenda AC21 and AC23 16.03.08.16. Affected is the function GetParentControlInfo of the file /goform/GetParentControlInfo. Such manipulation of the argument mac leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.
Timeline
Published 2025-08-29
Modified 2026-10-18
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-2025-9605Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Ac21 Firmware"Hosts Shodan identified as running Ac21 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2025-9605Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-9605Censys host search filtered to this CVE id.
grep.app
CVE-2025-9605Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-9605GitHub code search for direct mentions.
Google dork
"CVE-2025-9605" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.