The default installation of Fastream NETFile FTP/Web Server 7.4.6, which supports FXP, does not require that the IP address in a PORT command be the same as the IP of the logged in user, which allows remote attackers to conduct FTP Bounce attacks to bypass firewall rules or cause a denial of service.

Fastream NETFile Server 7.1.2 does not properly handle keep-alive connection timeouts and does not close the connection after a HEAD request, which allows remote attackers to perform a denial of service (connection consumption) by sending a large number HTTP HEAD requests.

Fastream NETFile FTP Server 6.7.2.1085 and earlier allows remote attackers to cause a denial of service (temporary hang) via the cd command with an unusual argument, possibly due to multiple leading slashes and/or an access to the floppy drive ("A").

Directory traversal vulnerability in Fastream NETFile FTP/Web Server 6.7.2.1085 and earlier allows remote attackers to create or delete arbitrary files via .. (dot dot) and // (double slash) sequences in the filename parameter.

Fastream NETFile FTP/Web Server 6.5.1.980 allows remote attackers to cause a denial of service via a username that does not exist.

Cross-site scripting (XSS) vulnerability in Fastream NETFile Server 6.0.3.588 allows remote attackers to inject arbitrary web script or HTML via the URL, which is displayed on a "404 Not Found" error page.

FaSTream FTP++ Server 2.0 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long username.

FaSTream FTP++ Server 2.0 allows remote attackers to obtain the real pathname of the server via the "pwd" command.

FaSTream FTP++ Server 2.0 allows remote attackers to list arbitrary directories by using the "ls" command and including the drive letter name (e.g. C:) in the requested pathname.

Buffer overflow in Fastream FTP++ 2.0 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via a long username.

Fastream FUR HTTP server 1.0b allows remote attackers to cause a denial of service via a long GET request.