Vulnerability · Published Oct 9, 2025 · Assigned by VulDB
CVE-2025-11549Tenda W12 HTTP Request modules wifiMacFilterSet stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in W12 from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 8.9% (higher than 95% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)8.9%top 4.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability has been found in Tenda W12 3.0.0.6(3948). The affected element is the function wifiMacFilterSet of the file /goform/modules of the component HTTP Request Handler. The manipulation of the argument mac leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-327708 | Tenda W12 HTTP Request modules wifiMacFilterSet stack-based overflow vdb-entry, technical-description
- VDB-327708 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #670110 | Tenda W12 V3.0.0.6(3948) Stack-based Buffer Overflow third-party-advisory
- https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_W12/cgiWifiMacFilterSet/cgiWifiMacFilterSet.md exploit
- https://www.tenda.com.cn/ product