5 Password Decrypt - Cisco Secret

Many users confuse Type 5 with the older (used by the service password-encryption command).

The device never stores the actual password, only the result of the hash. When you log in, the device hashes your input and compares it to the stored hash. cisco secret 5 password decrypt

While you cannot "decrypt" it, you can it using brute-force or dictionary attacks. Many users confuse Type 5 with the older

An attacker takes a list of common passwords (a dictionary), hashes each one using the same salt found in your configuration, and compares the results. cisco secret 5 password decrypt

Because MD5 is computationally "cheap" by modern standards, high-end GPUs can test millions of combinations per second.