CVE-2025-3266CRITICAL 9.8EPSS p45.2%

CVE-2025-3266CVE-2025-3266

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.63% probability of exploitation · percentile 45.2% · 2026-06-19T12:03:05Z
Published2025-04-04
Last modified2025-04-07

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://magnificent-dill-351.notion.site/Stack-Overflow-in-TinyWebServer-1-0-1c9c693918ed80229bbce911b3513054
  2. https://vuldb.com/?ctiid.303338
  3. https://vuldb.com/?id.303338
  4. https://vuldb.com/?submit.549227
  5. https://magnificent-dill-351.notion.site/Stack-Overflow-in-TinyWebServer-1-0-1c9c693918ed80229bbce911b3513054

3

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live
WeaknessOut-of-bounds Writecwe-7870%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.