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Decrypt 3com password

I have the ciphered password of my 3Com switch but I do not remember the clear text correspondance. How to convert the ciphered password into clear text to access again to my switch? I do not want to reset factory because I want to verify the configuraiton loaded into my switch.

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Use a brute force password solver or at best do a reset

Posted on Dec 07, 2016

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http://www.3com.com/products/en_US/detail.jsp?tab=features&pathtype=purchase&sku=3C16475BS

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Bought 3c0m nbx100 off ebay and do not have the password. Version is R5.4 I logged into to com port but unable to find the password.


Default Password is 0000 or 00000000 or Reboot into previous version and change password to an alphanumeric password The word "administrator" has to be entered as the User Name. this pdf could help (http://support.3com.com/infodeli/tools/nbx/50/docs/admin_nbx50.pdf) and this pdf will tell you how to update the machine to a newer version or if it is in the newest version you must downgrade it just folow the instructions on this pdf (http://support.3com.com/infodeli/tools/nbx/60/upgr_nbx60.pdf) or you could try and Connect a PC to the console port of the NBX (9600 baud, 8 data bits, 1 stop bit, no parity)1. All commands are case sensitive. At the NBX or SS3 Prompt type nbxDb. NBXs response- DBITEST (? for help):
2. At the DBITEST prompt type X.NBXs response-encrypted admin pass ---> (!Ofm0uealStEsrx1) 3. Contact 3Com Tech Support to have the password decrypted. if you have anymore problems i would be happy to help and if you cant fix it still i would be happy to do it for you for a small fee ..i hope this helped and i look forward to hearing from you

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1 Answer

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The default ip is 192.168.1.1
default user-name and password for the 5 models of 3com are as follows.:

1.
3com default ip: 192.168.1.1
username: n/a
password: admin
or
2.
3com default ip: 192.168.1.1
user-name: adminttd
password: adminttd
or
3
3com default ip 192.168.1.1
user-name: admin
password: n/a
or
4
3com default ip 192.168.1.1
user-name: n/a
password: PASSWORD
OR
5
3com default ip 192.168.1.1
user-name: root
password: !root

ok try
this
Note that at time you will need to set your local ip of your pc from which you are acess the device to the same range...
That is for example 192.168.1.10


Good luck
uttam

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http://www.3com.com/products/en_US/detail.jsp?tab=support&sku=3CNJ220-BLK&pathtype=purchase

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