: Version 4.3.8 (and below) contains a significant vulnerability ( CVE-2015-4107 ) that allows authenticated users to execute arbitrary commands on the server.
Even by modern standards, the security posture of 4.3.8 is commendable—provided it’s configured correctly. wing ftp server 4.3.8
Official vendor patches for these specific old versions are not available; the primary solution is to upgrade to a modern version like 7.4.4 or higher. 🛠️ Key Product Features (Legacy) : Version 4