$1$mERr$hx5bP0vWfT7fR9LkA2nXz/ john --format=md5crypt cisco.hash --wordlist=rockyou.txt 3. Crack with Hashcat Mode for MD5 (Unix) – Type 5 uses md5crypt (mode 500):
Here’s a complete post for — useful for network engineers, pentesters, or CTF players. Cisco Password Type 5 (MD5 hash) – Can you decrypt it? Short answer: No, you cannot decrypt a Cisco Type 5 password. Long answer: Type 5 passwords are MD5-based hashes (salted, iterated) — a one-way function. You can only crack them via brute force, dictionary, or rainbow tables. Understanding Cisco password types | Type | Description | Reversible? | |------|-------------|--------------| | 0 | Plain text | Yes | | 4 (old) | Weak SHA-256 | Deprecated/broken | | 5 | MD5 hash (salted + 1000 iterations) | No (one-way) | | 7 | Weak reversible (Vigenère cipher) | Yes (trivial) | | 8 | PBKDF2-SHA256 | No | | 9 | SCRYPT | No | cisco password 5 decrypt
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