CVE-2023-51102
CWE-787Published: December 26, 2023· Updated: Jun 17, 2026
Official Description
Tenda W9 V1.0.0.7(4456)_CN was discovered to contain a stack overflow via the function formWifiMacFilterSet.
Risk Analysis
A stack overflow vulnerability exists in the Tenda W9 firmware within the formWifiMacFilterSet function. This critical flaw can be exploited remotely by an unauthenticated attacker to potentially execute arbitrary code or crash the device.
No public exploit is known, and the vulnerability is not in the KEV catalog. It is remotely exploitable with low attack complexity.
Apply the latest firmware updates provided by Tenda for the W9 device. Disable remote management features if they are not required.
Technical Analysis
CVE-2023-51102 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-51102 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts