CVE-2025-9806— Tenda F1202 Administrative shadow hard-coded credentials
Quick assessment
Affected
Tenda F1202
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 F1202是中国腾达（Tenda）公司的一款采用第五代技术的双频 Wi-Fi 路由器。 Tenda F1202 1.2.0.9版本、1.2.0.14版本和1.2.0.20版本存在安全漏洞，该漏洞源于文件/etc_ro/shadow中，对输入Fireitup的操作会导致硬编码凭据。
Possible ATT&CK Techniques 1 AI
T1078.002 · Domain Accounts
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I. Basic Information for CVE-2025-9806
Vulnerability Information
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Vulnerability Title
Tenda F1202 Administrative shadow hard-coded credentials
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Tenda F1202 1.2.0.9/1.2.0.14/1.2.0.20. Impacted is an unknown function of the file /etc_ro/shadow of the component Administrative Interface. This manipulation with the input Fireitup causes hard-coded credentials. The attack can only be executed locally. A high degree of complexity is needed for the attack. The exploitability is considered difficult. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda F1202 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda F1202是中国腾达（Tenda）公司的一款采用第五代技术的双频 Wi-Fi 路由器。 Tenda F1202 1.2.0.9版本、1.2.0.14版本和1.2.0.20版本存在安全漏洞，该漏洞源于文件/etc_ro/shadow中，对输入Fireitup的操作会导致硬编码凭据。
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-2025-9806
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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-2025-9828 | 3.7 LOW | Tenda CP6 uhttp sub_2B7D04 risky encryption |
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V. Comments for CVE-2025-9806
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