CVE-2026-3044— Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow
Quick assessment
Affected
Tenda AC8
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 AC8是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC8 16.03.34.06版本存在安全漏洞，该漏洞源于对Httpd Service组件文件/cgi-bin/UploadCfg中函数webCgiGetUploadFile的参数boundary的错误操作，可能导致基于栈的缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-3044
Vulnerability Information
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Vulnerability Title
Tenda AC8 Httpd Service UploadCfg webCgiGetUploadFile stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in Tenda AC8 16.03.34.06. This affects the function webCgiGetUploadFile of the file /cgi-bin/UploadCfg of the component Httpd Service. The manipulation of the argument boundary leads to stack-based buffer overflow. It is possible to initiate the attack 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 AC8 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tenda AC8是中国腾达（Tenda）公司的一款无线路由器。 Tenda AC8 16.03.34.06版本存在安全漏洞，该漏洞源于对Httpd Service组件文件/cgi-bin/UploadCfg中函数webCgiGetUploadFile的参数boundary的错误操作，可能导致基于栈的缓冲区溢出。
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-2026-3044
| # | POC Description | Source Link | Shenlong Link |
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V. Comments for CVE-2026-3044
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