← Port Encyclopedia
4786
Cisco-Smart
TCP
Network Critical Risk
Cisco Smart Install — remote code execution, device takeover (CVE-2018-0171)

🔍 How to Scan Port 4786

nmap -sV -p 4786 target
nmap -sV -sC --script=banner -p 4786 target
nc -zv target 4786

🛡️ Security Considerations

  • Scan port 4786 with nmap -sV to identify the exact service and version
  • If Cisco-Smart is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit cisco-smart to find known exploits
  • Monitor traffic on port 4786 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation