UPnP

TCP

Web High Risk

UPnP/Docker/Flask — varies: Docker Registry, Flask dev, Synology DSM

🔍 How to Scan Port 5000

nmap -sV -p 5000 target

nmap -sV -sC --script=banner -p 5000 target

nc -zv target 5000

Scan port 5000 with nmap -sV to identify the exact service and version
If UPnP is not needed, close or firewall this port immediately
Check for default credentials if a management interface runs on this port
Use searchsploit upnp to find known exploits
Monitor traffic on port 5000 with Wireshark or tcpdump for anomalies
Ensure the service is patched to the latest version to prevent known CVE exploitation

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