Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

1 Reply

  • Hi Vladimir_Akhmarov​ ,

     

    The short answer is TMOS currently uses BBRv1 since this is based off Linux Kernel TCP stack.  TMOS BBR implementation does not cover ECN/Loss rates which are part of the BBR v2/v3 descriptions.  However BIG-IP CNF does support BBrv2 article here CNF BBRv2.