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CVE-2024-8224— Tenda G3 setDebugCfg formSetDebugCfg stack-based overflow

Quick assessment

Affected
Tenda G3
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tenda G3是中国腾达（Tenda）公司的一款 Qos Vpn 路由器。 Tenda G3 15.11.0.20版本存在安全漏洞，该漏洞源于/goform/setDebugCfg文件中的formSetDebugCfg功能处理enable/level/module参数时可能导致栈缓冲区溢出。

CVSS 8.8 · High EPSS 1.21% · P66
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I. Basic Information for CVE-2024-8224

Vulnerability Information
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Vulnerability Title
Tenda G3 setDebugCfg formSetDebugCfg stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in Tenda G3 15.11.0.20. This issue affects the function formSetDebugCfg of the file /goform/setDebugCfg. The manipulation of the argument enable/level/module leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
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 G3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda G3是中国腾达（Tenda）公司的一款 Qos Vpn 路由器。 Tenda G3 15.11.0.20版本存在安全漏洞，该漏洞源于/goform/setDebugCfg文件中的formSetDebugCfg功能处理enable/level/module参数时可能导致栈缓冲区溢出。
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

Vendor Product Affected Versions CPE Subscribe
Tenda G3 15.11.0.20 -

II. Public POCs for CVE-2024-8224

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7468 chars
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III. Intelligence Information for CVE-2024-8224

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Same Patch Batch · Tenda · 2024-08-27 · 3 CVEs total

CVE-2024-8225 8.8 HIGH Tenda G3 SetSysTimeCfg formSetSysTime stack-based overflow
CVE-2024-8226 8.8 HIGH Tenda O1 setcfm formSetCfm stack-based overflow

IV. Related Vulnerabilities

Same product: G3
Same vendor: Tenda
Same weakness: CWE-121

V. Comments for CVE-2024-8224

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