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.
Receive current system information from F5 using an F5 registration key or system serial number.
Use this license activation page to activate for current F5 products.
Partners may obtain a Strongbox evaluation registration key for BIG-IP or BIG-IQ systems. Virtual Edition evaluation registration keys are also available.
For questions regarding licensing tools please contact Support.