Port 7547 — TR-069 / CWMP
Quick reference for TCP/UDP port 7547, used by TR-069 / CWMP. Includes what the service does, security guidance and related ports.
What is port 7547?
ISP remote management of customer routers.
What port does TR-069 / CWMP use?
TR-069 / CWMP listens on port 7547 by default.
Is port 7547 open? How to check
Run one of these from your computer, replacing HOST with the IP address or domain you want to test.
nc -zv HOST 7547
Test-NetConnection HOST -Port 7547
nmap -p 7547 HOST
A refused or timed-out connection means the port is closed or filtered by a firewall.
Security guidance
High risk — do not expose to the internet
Port 7547 (TR-069 / CWMP) is high-risk because the service it carries is a frequent target for credential attacks, brute force or unpatched-vulnerability scanning. Keep it bound to localhost or your VPN, never forward it directly on a router, and require strong authentication.
Related ports
Frequently asked
What is port 7547 used for?+
Port 7547 is the standard TCP/UDP port for TR-069 / CWMP. ISP remote management of customer routers.
What port does TR-069 / CWMP use?+
TR-069 / CWMP listens on port 7547 by default.
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