CVE-2025-9828— Tenda CP6 uhttp sub_2B7D04 risky encryption
Quick assessment
Affected
Tenda CP6
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 CP6是中国腾达（Tenda）公司的一款智能摄像机。 Tenda CP6 11.10.00.243版本存在安全漏洞，该漏洞源于组件uhttp中函数sub_2B7D04的错误操作导致使用风险加密算法。
Possible ATT&CK Techniques 1 AI
T1557.002 · ARP Cache Poisoning
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I. Basic Information for CVE-2025-9828
Vulnerability Information
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Vulnerability Title
Tenda CP6 uhttp sub_2B7D04 risky encryption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tenda CP6 11.10.00.243. The affected element is the function sub_2B7D04 of the component uhttp. Executing manipulation can lead to risky cryptographic algorithm. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda CP6 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda CP6是中国腾达（Tenda）公司的一款智能摄像机。 Tenda CP6 11.10.00.243版本存在安全漏洞，该漏洞源于组件uhttp中函数sub_2B7D04的错误操作导致使用风险加密算法。
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-2025-9828
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Tenda · 2025-09-02 · 4 CVEs total
| CVE-2025-9813 | 8.8 HIGH | Tenda CH22 SetSambaConf formSetSambaConf buffer overflow |
| CVE-2025-9812 | 8.8 HIGH | Tenda CH22 exeCommand formexeCommand buffer overflow |
| CVE-2025-9806 | 1.9 LOW | Tenda F1202 Administrative shadow hard-coded credentials |
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V. Comments for CVE-2025-9828
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