CVE-2025-3259— Tenda RX3 SetOnlineDevName formSetDeviceName stack-based overflow
Quick assessment
Affected
Tenda RX3
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 RX3是中国腾达（Tenda）公司的一款双频 WiFi 6 家用无线路由器。用于家庭网络覆盖，支持高速无线连接。 Tenda RX3 16.03.13.11版本存在安全漏洞，该漏洞源于对参数devName的错误操作会导致栈缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-3259
Vulnerability Information
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Vulnerability Title
Tenda RX3 SetOnlineDevName formSetDeviceName stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in Tenda RX3 16.03.13.11. This issue affects the function formSetDeviceName of the file /goform/SetOnlineDevName. The manipulation of the argument devName leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may 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
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Tenda RX3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda RX3是中国腾达（Tenda）公司的一款双频 WiFi 6 家用无线路由器。用于家庭网络覆盖，支持高速无线连接。 Tenda RX3 16.03.13.11版本存在安全漏洞，该漏洞源于对参数devName的错误操作会导致栈缓冲区溢出。
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-2025-3259
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Tenda · 2025-04-04 · 4 CVEs total
| CVE-2025-3236 | 5.3 MEDIUM | Tenda FH1202 Web Management Interface VirSerDMZ access control |
| CVE-2025-3237 | 5.3 MEDIUM | Tenda FH1202 wrlwpsset access control |
| CVE-2025-3203 | 4.3 MEDIUM | Tenda W18E setModules formSetAccountList stack-based overflow |
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V. Comments for CVE-2025-3259
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