CVE-2019-25590 MEDIUM

CVE-2019-25590: Axessh 4.2 Denial of Service via Log File Name

Vendor Labf
Product Axessh
Weakness CWE-1282
Published March 22, 2026
Last update March 23, 2026

CVSS base score

6.9/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Axessh 4.2 contains a denial of service vulnerability in the logging configuration that allows local attackers to crash the application by supplying an excessively long string in the log file name field. Attackers can enable session logging, paste a buffer of 500 or more characters into the log file name parameter, and trigger a crash when establishing a telnet connection.

Key dates

02Disclosure timeline

March 22, 2026 CVE published
March 23, 2026 Record updated