Port 5357 Hacktricks Extra Quality Jun 2026

Attackers on the local subnet (intranet) can send malicious packets to the service, though it is usually blocked by firewall settings from the public internet. 4. Mitigation and Security Best Practices Disable Network Discovery:

. It allows devices to advertise their presence and services on a local network without manual configuration. While useful for seamless hardware integration, it often presents a surface for information gathering during a security assessment. Security Implications and Pentesting According to methodologies found on resources like HackTricks

Port 5357 is not inherently malicious, but its presence provides several opportunities for an attacker to gain information about the network. A. Information Disclosure (Network Mapping) WSD can disclose sensitive device information, including:

Often, the service returns Microsoft-HTTPAPI/2.0 . port 5357 hacktricks

If the target is a physical device (like a multi-function printer), interacting with the WSD API can expose: Device manufacturer and model numbers. Firmware versions. Configured network shares or destination folders. 4. Attack Surface and Lateral Movement

curl http://10.10.10.5:5357/wsd/3f8c2a1b/metadata

While many sources label port 5357 as "exploitable," there is a critical nuance: direct exploitation from across the internet is generally not possible. Attackers on the local subnet (intranet) can send

I can provide more targeted information if you tell me how you want to proceed.

msfconsole use auxiliary/scanner/http/msf15_034_http_sys_memory_dump set RHOSTS set RPORT 5357 run Use code with caution. 2. Information Disclosure via WS-Discovery

An open port 5357 can be leveraged during internal penetration testing to advance access. NTLM Relay Attacks It allows devices to advertise their presence and

Potentially intercepting print jobs, which may contain sensitive company documents. 4. Remediation and Mitigation

Port 5357 is used by for device discovery and control (e.g., network scanners, printers, media servers). It's part of WSD (Web Services on Devices) — Microsoft's implementation of devices profile for web services (DPWS).