CVE-2025-67433

high

Description

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.

References

https://sourceforge.net/projects/tftp-server/files/tftp%20server%20multithreaded/

https://gist.github.com/transparencybeam/f1b7d48d29e60a378bb9c88ba8b8080a

https://gist.github.com/Hyobin/f1b7d48d29e60a378bb9c88ba8b8080a

Details

Source: Mitre, NVD

Published: 2026-02-12

Updated: 2026-02-13

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00017