A service or feature that calls home to the vendor must be disabled.

From Perimeter Router Security Technical Implementation Guide Cisco

Part of Call home service is disabled.

SV-38003r2_rule A service or feature that calls home to the vendor must be disabled.

Vulnerability discussion

Call home services or features will routinely send data such as configuration and diagnostic information to the vendor for routine or emergency analysis and troubleshooting. The risk that transmission of sensitive data sent to unauthorized persons could result in data loss or downtime due to an attack.

Check content

Verify the call home service or feature is disabled on the device. On a Cisco product, you will not see the call-home service in the running config unless it's enabled.

Fix text

Configure the network device to disable the call home service or feature. The command below will disable the call-home service on a Cisco device. Example: hostname(config)# no service call-home

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