Denial of Service Vulnerability in Axessh by LabF
CVE-2019-25590

6.9MEDIUM

Key Information:

Vendor

Labf

Status
Axessh
Vendor
CVE Published:
22 March 2026

Badges

👾 Exploit Exists

What is CVE-2019-25590?

Axessh version 4.2 has a vulnerability that allows local attackers to cause a denial of service. By manipulating the logging configuration, attackers can input an excessively long string into the log file name field, specifically a buffer of 500 characters or more. This action can lead to the application crashing when a telnet connection is attempted, making services temporarily unavailable until resolved. It is essential for users of Axessh to be aware of this vulnerability and take appropriate measures to mitigate risks.

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Affected Version(s)

Axessh 4.2

References

https://www.exploit-db.com/exploits/46858
exploit
http://www.labf.com
product
http://www.labf.com/download/axessh.exe
product

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Victor Mondragón
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