---
id: CVE-2026-105778
title: A vulnerability has been found in Tenda AC5 02.03.01.111_multi
summary: >-
  A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by
  this issue is some unknown functionality of the file /goform/setWifi of the
  component Wifi Handler. Such manipulation of the argument wifiPwd leads to
  stack-base…
severity: critical
cvss: 9.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-119
  - CWE-121
vendor: Tenda
product: AC5
affected:
  - AC5 02.03.01.111_multi
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T07:16:56.547'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-105778'
references:
  - url: 'https://github.com/raisecnull/Tenda-AC5v3-BOF/blob/main/blog.md'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-105778'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/992587'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/413811'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/413811/cti'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T07:49:23.037Z'
---

## Overview

A vulnerability has been found in Tenda AC5 02.03.01.111_multi. Affected by this issue is some unknown functionality of the file /goform/setWifi of the component Wifi Handler. Such manipulation of the argument wifiPwd leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

## Remediation

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