Per F5 recommendations:
F5 Security Incident and Quarterly Security Notification
F5 customers are strongly recommended to ensure their TMOS is running at least 17.5.1.3 / 17.1.3 / 16.1.6.1 / 15.1.10.8. BIG-IQ 8.4 or F5 OS 1.5.4 or 1.6.4 or higher version to ensure the security of their F5 infra structure.
Please ensure you are running a compliant version per the articles above.
Step 1: Authenticate
Step 2: Provide Data
Select how you are going to be entering your licensing date: Via the command line output from your f5 appliance or it may be entered manually.
Step 3: Receive License File
Note: For questions regarding which platforms and versions are supported by this utility, please contact F5 Technical Support.