Port 5357 Hacktricks May 2026
No Authentication by Default
SSRF via WSD
DOS / Replay Attacks
nmap -sV -sC -p5357 10.10.10.5
Output might show:
5357/tcp open http Microsoft HTTPAPI httpd 2.0
|_http-title: Service Unavailable
|_http-server-header: Microsoft-HTTPAPI/2.0
If the WSD endpoint belongs to a print device, the host might be vulnerable to the PrintNightmare chain: port 5357 hacktricks
In the world of internal network penetration testing, most hackers focus on the "big three": SMB (445), RDP (3389), and WinRM (5985/5986). However, subtle infiltration vectors often hide on less common ports. One such port is TCP 5357.
If you run a nmap -p5357 192.168.1.0/24 and see open, you might have stumbled upon a Windows service that is poorly understood but potentially dangerous: WSDAPI (Web Services for Devices on Windows). No Authentication by Default
This article acts as a HackTricks-style guide to port 5357: what it is, how to enumerate it, misconfigurations, vulnerabilities, and how to abuse it for lateral movement.