---
id: CVE-2026-5605
title: A weakness has been identified in Tenda CH22 1.0.0.1
summary: >-
  A weakness has been identified in Tenda CH22 1.0.0.1. This affects the
  function formWrlExtraSet of the file /goform/WrlExtraSet. Executing a
  manipulation of the argument GO can lead to stack-based buffer overflow. The
  attack can be execu…
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-121
vendor: tenda
product: ch22_firmware
affected:
  - ch22_firmware = 1.0.0.1
published: '2026-04-06'
updated: '2026-07-24'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-5605'
references:
  - url: 'https://github.com/Litengzheng/vuldb_new/blob/main/CH22/vul_54/README.md'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/785052'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/355397'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/355397/cti'
    label: cna@vuldb.com
  - url: 'https://www.tenda.com.cn/'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00887
epssPercentile: 0.57585
ingestedAt: '2026-07-24T09:23:51.637Z'
---

## Overview

A weakness has been identified in Tenda CH22 1.0.0.1. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. Executing a manipulation of the argument GO can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks.

## Affected

- `ch22_firmware = 1.0.0.1`

## Remediation

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