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The Telnet Client must not be installed on the system.


Finding ID Version Rule ID IA Controls Severity
V-220721 WN10-00-000115 SV-220721r569187_rule Medium
Some protocols and services do not support required security features, such as encrypting passwords or traffic.
Microsoft Windows 10 Security Technical Implementation Guide 2023-09-29


Check Text ( C-22436r554648_chk )
The "Telnet Client" is not installed by default. Verify it has not been installed.

Navigate to the Windows\System32 directory.

If the "telnet" application exists, this is a finding.
Fix Text (F-22425r554649_fix)
Uninstall "Telnet Client" from the system.

Run "Programs and Features".
Select "Turn Windows Features on or off".

De-select "Telnet Client".