---
id: CVE-2025-11549
title: A vulnerability has been found in Tenda W12 3.0.0.6(3948)
summary: >-
  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…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-121
vendor: tenda
product: w12_firmware
affected:
  - w12_firmware = 3.0.0.6(3948)
published: '2025-10-09'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T13:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-11549'
references:
  - url: >-
      https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_W12/cgiWifiMacFilterSet/cgiWifiMacFilterSet.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.327708'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.327708'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.670110'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/Tenda_W12/cgiWifiMacFilterSet/cgiWifiMacFilterSet.md
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.08477
epssPercentile: 0.94891
ingestedAt: '2026-10-08T13:42:55.044Z'
---

## Overview

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

- `w12_firmware = 3.0.0.6(3948)`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.