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[Full-Disclosure] Re: backdoor menu on conexant chipset dsl router (Zoom X3)

duke_skillz@xxxxxxx wrote:
Citando Adam Laurie <adam@xxxxxxxxxxxxx>:


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@xxxxxxxxxxxxx
UNITED KINGDOM                PGP key on keyservers

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