---
id: CVE-2026-104611
title: A vulnerability was detected in Tenda AC9 15.03.02.13
summary: >-
  A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown
  function of the file /goform/fast_setting_internet_set of the component POST
  Request Handler. Performing a manipulation of the argument netWanType results
  in s…
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-121
vendor: Tenda
product: AC9
affected:
  - AC9 15.03.02.13
published: '2026-10-02'
updated: '2026-10-02'
sourceUpdated: '2026-10-02T14:17:09.660'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-104611'
references:
  - url: >-
      https://github.com/ZaneBoden/CVEs/blob/main/Tenda-AC9-fast_setting_internet_set.md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-104611'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/962720'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/412918'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/412918/cti'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-02T13:30:30.834838Z'
ingestedAt: '2026-10-02T12:17:44.361Z'
---

## Overview

A vulnerability was detected in Tenda AC9 15.03.02.13. Affected is an unknown function of the file /goform/fast_setting_internet_set of the component POST Request Handler. Performing a manipulation of the argument netWanType results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.

## Remediation

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