CVE•Published 2025-09-23•Modified 2026-10-11•1 article on news•6 live references•NVD data
CVE-2025-10838Tenda · Ac21_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
63
Exploit Prediction Scoring System · top 37% of all CVEs
Weaknesses (CWE)
Description
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.
Timeline
Published 2025-09-23
Modified 2026-10-11
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-2025-10838Hosts 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-2025-10838Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-10838Censys host search filtered to this CVE id.
grep.app
CVE-2025-10838Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-10838GitHub code search for direct mentions.
Google dork
"CVE-2025-10838" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-10838 on GitHub.