Default Passwords for World Wide Packets/Lightning Edge Equipment

Joel Esler jesler at
Thu Jan 7 01:41:14 UTC 2010

On Wed, Jan 6, 2010 at 8:26 PM, Steven Bellovin <smb at> wrote:

> On Jan 6, 2010, at 6:24 PM, Jeffrey I. Schiller wrote:
> > Hash: SHA1
> >
> > An option I saw years ago (I forgot on whose equipment) was a default
> > password which was a function of the equipment's serial number. So you
> > had to have the algorithm and you needed the serial number which was not
> > related to the MAC. So if you didn't have physical access, you were not
> > in a good position to learn the password.
> >
> > I suspect this was a support nightmare for the vendor and I bet they
> > went to a more standard (read: the same) factory password.
> >
> > At the end of the day, minimizing support costs for the vendor (not to
> > mention likely annoyance for the customer) trumps providing "default"
> > security for the folks who won't change the default password.
> The MyFi apparently does this.  According to
>"The network password is printed right there on the bottom of the MiFi
> itself."
At least it's not "0000".

But yes, my Mifi *had* the password on the bottom.

Joel Esler

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