All ports
Port7547/UDP
cwmpPort
7547
Protocol
UDP
Category
Registered
Service
cwmp
What is port 7547?
Port 7547/UDP is a Registered port, registered with IANA for specific applications. It is associated with the cwmp service.
Broadband Forum CWMP
Useful commands
nmapnmap -p 7547 -sV example.comnetcatnc -zv example.com 7547curlcurl -v http://example.com:7547/telnettelnet example.com 7547bash(echo > /dev/udp/example.com/7547) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 7547/udpDeny
sudo ufw deny 7547/udpiptablesAllow
sudo iptables -A INPUT -p udp --dport 7547 -j ACCEPTDeny
sudo iptables -D INPUT -p udp --dport 7547 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=7547/udpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 7547" dir=in action=allow protocol=UDP localport=7547Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 7547/UDP?
Port 7547/UDP is associated with the cwmp service. Broadband Forum CWMP
Is it safe to expose port 7547 to the Internet?
It depends on the service and configuration. Port 7547 (cwmp) is a Registered port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 7547 is open?
You can use nmap: `nmap -p 7547 -sV example.com`, netcat: `nc -zv example.com 7547`, or the bash command: `(echo > /dev/udp/example.com/7547) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 7547 on my firewall?
On Linux with UFW: `sudo ufw allow 7547/udp` (open) or `sudo ufw deny 7547/udp` (close). With iptables: `sudo iptables -A INPUT -p udp --dport 7547 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 7547" dir=in action=allow protocol=UDP localport=7547`.
What applications and services use port 7547?
Port 7547/UDP is used by the cwmp service. Specific uses depend on the software and configuration. Check our related tools section for more information.