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Jacek

@inetia.pl

Zyxel P-2606R-D1A - extracting VoIP data

Hello guys
I have this Zyxel P-2606R-D1A with a very modified ISP firmware. The ISP won't give me my VoIP login data, so i have to do it on my own. Using this site »everlost.nl/kender/zyxel/ i've managed to extract the rom-0 file and partly decode it, but the password is there in a strange form, i can't read it. It's two separate strings: one 8 chars and one 10 chars. I've read that the password can be extracted by downgrading router's FW and then importing rom-0, but it requires a special service console cable and a COM port in the PC, which i don't have. Is there any other way i can get the password? I'm now fighting with this stuff for two weeks. I would appreciate your help.


JPedroT

join:2005-02-18
kudos:1

I do believe the password is encrypted in the rom file



Brano
I hate Vogons
Premium,MVM
join:2002-06-25
Burlington, ON
kudos:10
Reviews:
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reply to Jacek

Before you waste too much time, confirm with somebody who has access to P2606 that the password is actually stored in rom-0.

I don't have P2606 but have access to Z2+ and I've saved the rom-0 then changed the password and saved rom-0 again and did the whole thing again.
All three rom-0 files are binary identical! ...meaning the password is not stored in rom-0.



Jacek

@inetia.pl

Well, few guys in polish forums stated that they were able to recover the VoIP data by uploading the rom-0 file to a non-modified P2602. I don't have the required tools to upgrade router's FW, so i'm looking for another way. I've also read that sniffing could work, but i don't know nothing about it. Could anybody tell me how to sniff the VoIP password?



Jacek

@inetia.pl
reply to Brano

Oh and i made a mistake in the first post - it's P-2602R not 2606



Brano
I hate Vogons
Premium,MVM
join:2002-06-25
Burlington, ON
kudos:10

If you can login to the router and only need VoIP password then use this extension for Firefox »addons.mozilla.org/en-US/firefox···sswords/



Jacek

@inetia.pl

If it was that easy, i wouldn't even post here. The problem is that i have so poor firmware that there isn't any voip data section. It lies somewhere deeply in router's config files, rom-0 probably.