Vulnerability · Published Apr 4, 2025 · Assigned by VulDB

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

High 7.3

In plain English

A high-severity stack buffer overflow in TinyWebServer from qinguoyi. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.8%top 42.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
qinguoyi	TinyWebServer	1.0

Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

VDB-303338 | qinguoyi TinyWebServer http_conn.cpp stack-based overflow vdb-entry, technical-description
VDB-303338 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #549227 | TinyWebServer 1.0 Stack-based Buffer Overflow third-party-advisory
https://magnificent-dill-351.notion.site/Stack-Overflow-in-TinyWebServer-1-0-1c9c693918ed80229bbce911b3513054 exploit