CVE-2025-67433

A heap buffer overflow in the processRequest function of Open TFTP Server MultiThreaded v1.7 allows attackers to cause a Denial of Service (DoS) via a crafted…

High · published February 12, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
38.4
In the wild
Unconfirmed
What it is

A heap buffer overflow in the processRequest function of Open TFTP Server MultiThreaded v1.7 allows attackers to cause a Denial of Service (DoS) via a crafted DATA packet.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00454 · 38.4th percentile
Published
2026-02-12T00:00Z
EPSS history
Timeline
  • 12 FEB 00:00Z
    A heap buffer overflow in the processRequest function of Open TFTP Server MultiThreaded v1.7 allows attackers to cause a Denial of Service (DoS) via a crafted…
    cvelistv5