CVE-2025-9813— Tenda CH22 SetSambaConf formSetSambaConf buffer 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，该漏洞源于文件/goform/SetSambaConf中参数samba_userNameSda的错误操作导致缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-9813
Vulnerability Information
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Vulnerability Title
Tenda CH22 SetSambaConf formSetSambaConf buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
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.
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
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
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，该漏洞源于文件/goform/SetSambaConf中参数samba_userNameSda的错误操作导致缓冲区溢出。
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-2025-9813
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Tenda · 2025-09-02 · 4 CVEs total
| CVE-2025-9812 | 8.8 HIGH | Tenda CH22 exeCommand formexeCommand buffer overflow |
| CVE-2025-9828 | 3.7 LOW | Tenda CP6 uhttp sub_2B7D04 risky encryption |
| CVE-2025-9806 | 1.9 LOW | Tenda F1202 Administrative shadow hard-coded credentials |
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V. Comments for CVE-2025-9813
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