How to complete the Cisco ASA 5505 routing table without knowing the password?

Question

Cisco

Given:
Cisco ASA 5505
"Native" COM cable
There is physical access
Conditions
Once upon a time, a contractor installed a Cisco ASA 5505 as a VPN server
. The password was either lost or not given to us at all.
With the old settings, Cisco is no longer needed.
There is no experience with Cisco.
Maximum task:
To supplement the routing table without knowing the password.
Minimum task:
Find out the network settings of the external interface (I will raise OpenVPN).
Thanks in advance.

Answer 1

If you have physical access - reset your password:
www.cisco.com/en/US/docs/security/asa/asa72/config...

Answer 2

So maybe he will lift it instead of tsiska.

Answer 3

ping redirect - may not work