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Motorola SB5100E Cable Modem DoS
From: Алексей Синцов <don_ () x-users ru>
Date: Tue, 9 Dec 2003 10:30:30 +0300


Sending "land" packet to motorola device, will cause it to crash.

"LanD" packet is simple TCP syn packet:
Source IP =
Destanation IP =
Source Port = 80
Destanation Port =80
SYN  Flag= 1

One packet can crash modem and all network on cable part will be unreacheble.
Only physical restart can help.

May be other models are vulnerable.

Alexey Sintsov.
mailto:don_ () x-users ru

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