What’s Vulnerable › Vulnerabilities

CVE-2025-67433

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-12 · updated 2026-06-17
• Weakness: CWE-122

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://gist.github.com/Hyobin/f1b7d48d29e60a378bb9c88ba8b8080a
• https://gist.github.com/transparencybeam/f1b7d48d29e60a378bb9c88ba8b8080a
• https://sourceforge.net/projects/tftp-server/files/tftp%20server%20multithreaded/

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