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CVE-2025-3266— qinguoyi TinyWebServer http_conn.cpp stack-based overflow

Quick assessment

Affected
qinguoyi TinyWebServer
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.

TinyWebServer是qinguoyi个人开发者的一个 Linux 下 C++ 轻量级 WebServer 服务器。 TinyWebServer 1.0及之前版本存在安全漏洞，该漏洞源于对参数name/password的错误操作会导致栈缓冲区溢出。

CVSS 7.3 · High EPSS 0.73% · P51
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I. Basic Information for CVE-2025-3266

Vulnerability Information
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Vulnerability Title
qinguoyi TinyWebServer http_conn.cpp stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, has been found in qinguoyi TinyWebServer up to 1.0. Affected by this issue is some unknown functionality of the file /http/http_conn.cpp. The manipulation of the argument name/password leads to stack-based buffer overflow. The attack may be launched 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:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
TinyWebServer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TinyWebServer是qinguoyi个人开发者的一个 Linux 下 C++ 轻量级 WebServer 服务器。 TinyWebServer 1.0及之前版本存在安全漏洞，该漏洞源于对参数name/password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

Vendor Product Affected Versions CPE Subscribe
qinguoyi TinyWebServer 1.0 -

II. Public POCs for CVE-2025-3266

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III. Intelligence Information for CVE-2025-3266

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Same Patch Batch · qinguoyi · 2025-04-04 · 3 CVEs total

CVE-2025-3267 6.3 MEDIUM qinguoyi TinyWebServer http_conn.cpp sql injection
CVE-2025-3268 5.3 MEDIUM qinguoyi TinyWebServer http_conn.cpp improper authentication

IV. Related Vulnerabilities

Same product: TinyWebServer
Same vendor: qinguoyi
Same weakness: CWE-121

V. Comments for CVE-2025-3266

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