Passwords with Cisco Router configurations can be stored in a number of different forms. Each with a varied degree of security. Cisco Type 7 based secrets are a very poor and legacy way of storing the password. Anyone with access to the systems running configuration will be able to easily decode the Cisco Type 7 value. This is demonstrated in the form below. A type 7 password is not actually encrypted at all it is simply encoded. The fact that it is encoded means it can be decoded very easily.
Try this one for example: 0235307E25212A6F65602F36