A vulnerability classified as problematic was found in EFS Easy File Sharing FTP 2.0. Affected by this vulnerability is an unknown functionality. The manipulation of the argument username leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-251479. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
https://www.youtube.com/watch?v=Rcl6VWg_bPY
https://vuldb.com/?ctiid.251479
https://packetstormsecurity.com/files/176377/Easy-File-Sharing-FTP-Server-2.0-Denial-Of-Service.html