Port 5357 – WSDAPI (Web Services for Devices) - PentestPad
Enumeration is the first step when targeting port 5357. You must determine the exact service, operating system version, and configuration details. Nmap Scanning
# Service discovery nmap -p 5357 <target> port 5357 hacktricks
WSD utilizes specific UUIDs and endpoints to handle communication. Attackers and auditors look for paths related to the Function Discovery Provider Host ( fdphost ) or specific print/scan services.
She closed her laptop and rubbed her temples. The headache was still there, but the satisfaction of a successful find dulled the pain. Port 5357 – WSDAPI (Web Services for Devices)
Forcing the target Windows machine to make HTTP calls back to an attacker-controlled server.
Port 5357 is a classic example of a convenience feature that can introduce significant risk. While the Web Services for Devices API makes networking peripherals easier to use, it also opens a web-accessible attack surface on the host that is often forgotten. As seen with the exploitation of the HTTPAPI service, this port can be a direct path to a reverse shell. Attackers and auditors look for paths related to
Ensure regular OS patch management is enforced to mitigate any underlying vulnerabilities within the http.sys driver or the WSD API framework.
WSD can leak metadata including hostnames, device models (e.g., printer types), network paths, and unique device identifiers (GUIDs).
If network discovery and file sharing are not required on the server, disable the "Function Discovery Provider Host" and "Function Discovery Resource Publication" services.
Port 5357 – WSDAPI (Web Services for Devices) - PentestPad