---
id: CVE-2026-5567
title: A flaw has been found in Tenda M3 1.0.0.10
summary: >-
  A flaw has been found in Tenda M3 1.0.0.10. This vulnerability affects the
  function setAdvPolicyData of the file /goform/setAdvPolicyData of the
  component Destination Handler. Executing a manipulation of the argument
  policyType can lead …
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-120
vendor: tenda
product: m3_firmware
affected:
  - m3_firmware = 1.0.0.10
published: '2026-04-05'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-5567'
references:
  - url: 'https://github.com/Moxxkidd/CVE/issues/2'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/782999'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/355337'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/355337/cti'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00632
epssPercentile: 0.48958
ingestedAt: '2026-07-24T09:23:51.380Z'
---

## Overview

A flaw has been found in Tenda M3 1.0.0.10. This vulnerability affects the function setAdvPolicyData of the file /goform/setAdvPolicyData of the component Destination Handler. Executing a manipulation of the argument policyType can lead to buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.

## Affected

- `m3_firmware = 1.0.0.10`

## Remediation

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