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Status published
High
CVE-2020-26130
Issues were discovered in Open TFTP Server multithreaded 1.66 and...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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View All →CVE-2019-12568
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CVE-2019-12567
Stack-based overflow vulnerability in the logMess function in Open TFTP...
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CVE-2018-10389
Format string vulnerability in the logMess function in TFTP Server...
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CVE-2018-10388
Format string vulnerability in the logMess function in TFTP Server...
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CVE-2018-10387
Heap-based overflow vulnerability in TFTP Server SP 1.66 and earlier...
Critical
9.8
Affected Vendor
open tftp server project
View all reports →Affected Software
open tftp server
Vulnerable Versions:
1.66
Timeline
Official Publish:
October 28th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.