Read the docs
TI-2025-24267 Aliases CVE-2025-34107GHSA-78rx-wv2g-87wh

WinaXe 7.7 FTP Client Remote Buffer Overflow

Priority MEDIUM 48CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
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-121 and the CVSS impact.

Summary

A buffer overflow vulnerability exists in the WinaXe FTP Client version 7.7 within the FTP banner parsing functionality, WCMDPA10.dll. When the client connects to a remote FTP server and receives an overly long '220 Server Ready' response, the vulnerable component responsible for parsing the banner overflows a stack buffer, leading to arbitrary code execution under the context of the user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01309 70th 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
None
Automatable
Yes
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
LabfWinaXe FTP Client7.7—No fix listedCNA
  • WinaXe FTP Client VendorLabf Affected 7.7 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-2025-34107
  2. 2026-10-03 Alias added: GHSA-78rx-wv2g-87wh

References

  • 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-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-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