This host is running KnFTP Server and is prone to denial of service vulnerability.
Successful exploitation will allow remote attackers to crash the affected application, denying service to legitimate users. Impact Level: Application
No solution or patch was made available for at least one year since disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer release, disable respective features, remove the product or replace the product by another one.
The flaw is caused by an error when handling 'FEAT' command, which can be exploited to crash the FTP service by sending specially crafted FTP commands.
KnFTP Server version 1.0.0