---
id: CVE-2025-9813
title: A vulnerability was identified in Tenda CH22 1.0.0.1
summary: >-
  A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the
  function formSetSambaConf of the file /goform/SetSambaConf. The manipulation
  of the argument samba_userNameSda leads to buffer overflow. It is possible to
  initi…
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: ch22_firmware
affected:
  - ch22_firmware = 1.0.0.1
published: '2025-09-02'
updated: '2026-09-26'
sourceUpdated: '2026-09-26T00:10:00.127'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-9813'
references:
  - url: 'https://github.com/csgii/cve/issues/2'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.322140'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.322140'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.641151'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00871
epssPercentile: 0.57129
ingestedAt: '2026-09-26T00:22:39.906Z'
---

## Overview

A vulnerability was identified in Tenda CH22 1.0.0.1. This issue affects the function formSetSambaConf of the file /goform/SetSambaConf. The manipulation of the argument samba_userNameSda leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

## Affected

- `ch22_firmware = 1.0.0.1`

## Remediation

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