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TI-2019-15660 Aliases CVE-2019-25607GHSA-892q-pfj4-43mq

Axessh 4.2 Local Stack-based Buffer Overflow via Log File Name

Priority HIGH 72CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00154 4th percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged 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
Total

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-2019-25607
  2. 2026-10-03 Alias added: GHSA-892q-pfj4-43mq

References

  • TI-2019-15786 LabF nfsAxe 3.7 Ping Client Buffer Overflow CVSS 4.0HIGH 8.6
  • TI-2019-15643 Axessh 4.2 Denial of Service via Log File Name CVSS 4.0MEDIUM 6.9
  • 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