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TI-2019-15643 Aliases CVE-2019-25590GHSA-cmwq-378r-4xwr

Axessh 4.2 Denial of Service via Log File Name

Priority MEDIUM 64CWE-1282Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00172 6th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LabfAxessh4.2—No fix listedCNA
  • Axessh VendorLabf Affected 4.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-25590
  2. 2026-10-03 Alias added: GHSA-cmwq-378r-4xwr

References

Exploit 1

Other 2

  • TI-2019-15786 LabF nfsAxe 3.7 Ping Client Buffer Overflow CVSS 4.0HIGH 8.6
  • TI-2019-15660 Axessh 4.2 Local Stack-based Buffer Overflow via Log File Name CVSS 4.0HIGH 8.6
  • TI-2017-13255 Buffer Overflow in the FTP client in LabF nfsAxe 3.7 allows remote FTP servers to execute… CVSS 3.0CRITICAL 9.8
  • TI-2025-24267 WinaXe 7.7 FTP Client Remote Buffer Overflow CVSS 4.0HIGH 8.7
  • TI-2019-14255 The FTP client in AceaXe Plus 1.0 allows a buffer overflow via a long EHLO response from an FTP server. CVSS 3.1CRITICAL 9.8
  • TI-2017-10805 Buffer overflow in LabF nfsAxe FTP client 3.7 allows an attacker to execute code remotely. CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences