# CVE-2025-11549: A vulnerability has been found in Tenda W12 3.0.0.6(3948). The affected element is the function wifiMacFilterSet of…

Source: https://junglewise.ai/threats/cve-2025-11549-a-vulnerability-has-been-found-in-tenda-w12-3-0-0-6-3948-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-09  
License: CC BY 4.0 with a link back

CVE-2025-11549 · Severity: high · CVSS 8.8 · Published 2025-10-09

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.

Technologies: [Tenda W12](https://junglewise.ai/threats/technologies/w12). Vendors: [Tenda](https://junglewise.ai/threats/vendors/tenda).

## Quick answers

**Is CVE-2025-11549 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-11549 being exploited in the wild.

**How severe is CVE-2025-11549?** High severity, with a CVSS score of 8.8, published 9 October 2025.

**Which products and versions are affected?** Tenda W12, Tenda W12 Firmware. The advisory does not name versions.

**Is there a fix for CVE-2025-11549?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-11549?** Check whether you run Tenda W12 or Tenda W12 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Tenda W12
- Tenda W12 Firmware

## Related threats

- [Tenda W12 stack buffer overflow in set_local_time_0](https://junglewise.ai/threats/cve-2026-10192-tenda-w12-stack-buffer-overflow-in-set-local-time-0)
- [Tenda W12 stack overflow in cgiWifiMacFilterSet](https://junglewise.ai/threats/cve-2026-10191-tenda-w12-stack-overflow-in-cgiwifimacfilterset)
- [Tenda W12 denial of service in Web Management Interface](https://junglewise.ai/threats/cve-2026-10190-tenda-w12-denial-of-service-in-web-management-interface)
- [Tenda W12 stack overflow in cgiSysTimeInfoSet](https://junglewise.ai/threats/cve-2026-10189-tenda-w12-stack-overflow-in-cgisystimeinfoset)
- [Tenda W12 stack buffer overflow in cgistaKickOff](https://junglewise.ai/threats/cve-2026-10188-tenda-w12-stack-buffer-overflow-in-cgistakickoff)