CVE-2025-67433
HIGHCVSS 7.5/10EPSS 0.39%
Last modified
CVE-2025-67433 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is 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 DATA packet.
How severe is CVE-2025-67433?
CVE-2025-67433 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2025-67433?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2025-67433?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST