Buffer overflow in Labf Winaxe FTP Client
CVE-2025-34107
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.
Vulnerability class: Buffer Overflow
Published · last modified .
EPSS exploit prediction
EPSS: 0.011 (65.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.011 · change: +0.004
Affected products
- Labf Winaxe FTP Client — versions 7.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/w… (exploit)
- hyp3rlinx.altervista.org/advisories/WINAXE-FTP-CLIENT-REMOTE-BUFFER-OVERFLOW.txt (exploit, third-party-advisory)
- www.exploit-db.com/exploits/40767 (exploit)
- www.vulncheck.com/advisories/wina-xe-ftp-client-remote-buffer-overflow (third-party-advisory)
Frequently asked questions
- What is CVE-2025-34107?
- CVE-2025-34107 is a vulnerability in Labf Winaxe FTP Client, classified under Stack-based Buffer Overflow. Published 2025-07-15.
- Is CVE-2025-34107 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.