>We tried to backup the configuration of our new Cisco VoIP system. We then
>get "invalid password" messages on the console although the correct password
>is provided. Now as we looked a bit deeper into it, the problem seems to be
>on Cisco's side.
We found that even trying to SSH to the Cisco router (for console access)
produced something similar. It seems their SSH server code is broken -- and
SFTP relies on SSH to set up the secure TCP session.