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Vulnerability record · CVE-2019-25607 · published 22 March 2026

CVE-2019-25607: Out-of-bounds write vulnerability

Axessh 4.2 contains a stack-based buffer overflow vulnerability in the log file name field that allows local attackers to execute arbitrary code by supplying an excessively long filename. Attackers can overflow the buffer at offset 214 bytes to overwrite the instruction pointer and execute shellcode with system privileges.

8.6 CVSS 4.0 High EPSS 0.15% · top 96.4% CWE-787 · Out-of-bounds write Deferred
8.6CVSS 4.0 base score
0.15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Axessh 4.2 contains a stack-based buffer overflow vulnerability in the log file name field that allows local attackers to execute arbitrary code by supplying an excessively long filename. Attackers can overflow the buffer at offset 214 bytes to overwrite the instruction pointer and execute shellcode with system privileges.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
http://www.labf.com
http://www.labf.com/download/axessh.exe
https://www.exploit-db.com/exploits/46858
https://www.exploit-db.com/exploits/46922
https://www.exploit-db.com/shellcodes/46281
https://www.vulncheck.com/advisories/axessh-local-stack-based-buffer-overflow-via-log-file-name

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-25607), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.