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

Forum Discussion

Renato1's avatar
Renato1
Icon for Nimbostratus rankNimbostratus
Jun 28, 2019

Force TACACS log on

Hi all   I've enabled Tacacs on the F5 BIG-IP version 12.1 and all is working, but people can still login as root account if they know the username and password. With Cisco you can have a local ...
big-ip
security
Dario_Garrido's avatar
Dario_Garrido
Icon for Noctilucent rankNoctilucent
Jun 28, 2019

Hello Renato.

 

admin/root account are the only users available to use local DB authentication (when TACACS/RADIUS/... is enabled)

 

You can avoid this situation performing this procedure:

https://support.f5.com/csp/article/K15632

 

KR,

Dario.