Default User Name and Password for Cisco Firewall Models SA520, ASA 5505, ASA 5506 5510 5500 5508 5515 5520 5525 6500 6800 7200 7000 881 ASR 9000,
Cisco Firewall ASA Series (55xx)
Shell / Putty Login
Default Username: N/A
Password: Default Password is blank,
You have to set it during the first login
Use password command to set the password.
ASDM Web Interface Login
Default URL : https://192.168.1.1
Default Username: blank
Default Password: Default Password is blank,
You have to set it during the first login
Enable password blank by default.