CVE-2026-5204— Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow
Quick assessment
Affected
Tenda CH22
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Tenda CH22是中国腾达（Tenda）公司的一款网络设备。 Tenda CH22 1.0.0.1版本存在安全漏洞，该漏洞源于对组件Parameter Handler中文件/goform/webtypelibrary的参数webSiteId的错误操作导致栈缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-5204
Vulnerability Information
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Vulnerability Title
Tenda CH22 Parameter webtypelibrary formWebTypeLibrary stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tenda CH22 1.0.0.1. Affected is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component Parameter Handler. This manipulation of the argument webSiteId causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda CH22 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda CH22是中国腾达（Tenda）公司的一款网络设备。 Tenda CH22 1.0.0.1版本存在安全漏洞，该漏洞源于对组件Parameter Handler中文件/goform/webtypelibrary的参数webSiteId的错误操作导致栈缓冲区溢出。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-5204
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Other References for CVE-2026-5204 (1)
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V. Comments for CVE-2026-5204
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