is a legacy version of the popular multi-protocol file transfer software developed by Wing FTP Software . While it was once a stable choice for enterprises needing a cross-platform server, it is now widely recognized in the cybersecurity community for significant security vulnerabilities, primarily a critical Authenticated Remote Code Execution (RCE) flaw. Key Features of Wing FTP Server 4.3.8
: A built-in Lua interpreter allowed for advanced automation. The Event Manager could be configured to execute scripts, send emails, or run third-party programs based on specific triggers like file uploads.
: It supported a wide range of protocols, including FTP, FTPS, SFTP, HTTP, and HTTPS , allowing users to connect via standard clients or a web browser.