What’s Vulnerable › Vulnerabilities

CVE-2020-26130

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-28 · updated 2026-06-17
• Weakness: CWE-732

Description

Issues were discovered in Open TFTP Server multithreaded 1.66 and Open TFTP Server single port 1.66. Due to insufficient access restrictions in the default installation directory, an attacker can elevate privileges by replacing the OpenTFTPServerMT.exe or the OpenTFTPServerSP.exe binary.

Affected products

• Open Tftp Server Project Open Tftp Server: 1.66

References

• https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26130.md
• https://github.com/an0ry/advisories
• https://sourceforge.net/projects/tftp-server/
• https://github.com/OffensiveOceloot/advisories/blob/main/CVE-2020-26130.md
• https://github.com/an0ry/advisories
• https://sourceforge.net/projects/tftp-server/

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