My cable company recently replaced my home router with a EPC3928, when it was installed, default user name is set to "cisco" and same password. Although I have changed via the management page, after a couple of days when I try to log back to the router's admin pages I have noticed it has reverted back to "cisco". I have tried this several times, the username/password change works for a short period (a few hours) and then at some point reverts back. Is this normal? I would not like to have these well known credentials stick on my router.
Thanks for the suggestions. It seems it is only the username/password which reverts back to default values. So far, all other options I have configured remain as I set them.
On the firmware... how can I find if there are any firmware updates available?
On the save step... I did that, in fact after updating the credentials I have to login again (now using the updated ones); for a couple of hours (actually varies) the updated credentials will work as expected but then, at some point they stop to work and I end up going back to the defaults.