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Netcomm 1300NB DSL Modem Denial of Service

Subject: Netcomm 1300NB DSL Modem Denial of Service
Date: 25 Mar 2005 11:05:48 -0000


There is an issue with the Netcomm 1300NB DSL Modem in regards to a Denial of 
Service attack. By sending off the following ping command in four seperate 
shells or windows the WAN interface on the Netcomm DSL Modem locks up and the 
device must be rebooted to get Internet Activity. The Netcomm ADSL Modem is 
given away commonly with new ADSL Connections.

ping -l 65500 -w 0 -t <IP of DSL Modem>

Open 3 new shells/cmd and paste it in again. Kill the shells and send a normal 
ping to the device and it is gone, until reboot.

The Netcomm 1300NM Modem series has no ICMP/Ping blocking from the external 
interface. There is no Netcomm solution.

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