Cisco 2501 Router

Al, I appreciate this doesn't pertain to pen-testing exactly, but I hope
the expertise of list members may be able to assist me. If you choose not
to pass it, I'd quite understand!

Thanks.

List,
        I am in the unfortunate (some would say careless) position of not having
the password for one of our critical Cisco 2501 Routers. Does anyone know
of a way to obtain the password? Wiping the configuration completely is
not an option. I have SNMP access to the device, and can also connect via
a console cable if necessary.

Any assistance *greatly* appreciated!

Regards,

RI.