Microsoft Windows Server 2025

Windows Server 2025 must not have the TFTP Client installed

STIG ID: WN25-00-000370 | SRG: SRG-OS-000095-GPOS-00049 | Severity: Medium | CCI: CCI-000381 | Vulnerability ID: V-278022

Description

Unnecessary services increase the attack surface of a system. Some of these services may not support required levels of authentication or encryption or may provide unauthorized access to the system.

Check

C-82552r1180770_chk

Open PowerShell.

Enter "Get-WindowsFeature | Where Name -eq TFTP-Client".

If "Installed State" is "Installed", this is a finding.

An Installed State of "Available" or "Removed" is not a finding.

Fix

F-82457r1180771_fix

Uninstall the "TFTP Client" feature.

Start Server Manager.

Select the server with the feature.

Scroll down to "ROLES AND FEATURES" in the right pane.

Select "Remove Roles and Features" from the drop-down "TASKS" list.

Select the appropriate server on the "Server Selection" page and click "Next".

Deselect "TFTP Client" on the "Features" page.

Click "Next" and "Remove" as prompted.