bugtraq - Re: backdoor menu on conexant chipset dsl router (Zoom X3)

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Date: Thu, 08 Jul 2004 12:33:50 +0100
From: Adam Laurie <adam@...roup.co.uk>
To: duke_skillz@...o.pt
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.netsys.com
Subject: Re: backdoor menu on conexant chipset dsl router (Zoom X3)


duke_skillz@...o.pt wrote:
> Citando Adam Laurie <adam@...roup.co.uk>:
> 
> 
>>i have just installed an adsl modem sold under the brand of Zoom X3
>>
>>   http://www.zoom.com/products/adsl_overview.html
>>
>>and was apalled to find that an nmap scan of the external address
>>immediately came up with the following:
>>
>>   PORT    STATE SERVICE
>>   23/tcp  open  telnet
>>   80/tcp  open  http
>>   254/tcp open  unknown
>>   255/tcp open  unknown

[ snip ]

> Someone please correct me if im wrong but i found reports of this issue that go
> back to October 2003 ( http://www.securityfocus.com/bid/8765/ ) from reasearch
> i found that the prob is in the Conexant CX82310-14 chipset with firmware
> 3.21...

this is a completely different problem. full details here:

   http://www.securityfocus.com/archive/1/340248

however, it seems the open ports problem been known about since at least 
May as i've now found reference to it here:

   http://www.adslguide.org.uk/newsarchive.asp?item=1657

cheers,
Adam
-- 
Adam Laurie                   Tel: +44 (20) 8742 0755
A.L. Digital Ltd.             Fax: +44 (20) 8742 5995
The Stores                    http://www.thebunker.net
2 Bath Road                   http://www.aldigital.co.uk
London W4 1LT                 mailto:adam@...roup.co.uk
UNITED KINGDOM                PGP key on keyservers

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