---
id: CVE-2025-67073
title: >-
  A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd
  in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of
  service and possibly code execution by sending a post request with a crafted
  payload (…
summary: >-
  A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd
  in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of
  service and possibly code execution by sending a post request with a crafted
  payload (…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-120
vendor: tenda
product: ac10_firmware
affected:
  - ac10_firmware = 16.03.10.20
published: '2025-12-17'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T11:10:00.203'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-67073'
references:
  - url: 'https://github.com/johnathanhuutri/CVEReport/tree/master/CVE-2025-67073'
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00692
epssPercentile: 0.51528
ingestedAt: '2026-10-13T11:23:51.124Z'
---

## Overview

A Buffer overflow vulnerability in function fromAdvSetMacMtuWan of bin httpd in Tenda AC10V4.0 V16.03.10.20 allows remote attackers to cause denial of service and possibly code execution by sending a post request with a crafted payload (field `serviceName`) to /goform/AdvSetMacMtuWan.

## Affected

- `ac10_firmware = 16.03.10.20`

## Remediation

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