On versions 11.2.1. and greater, unrestricted Snapshot File Access allows BIG-IP system's user with any role, including Guest Role, to have access and download previously generated and available snapshot files on the BIG-IP configuration utility such as QKView and TCPDumps.
https://support.f5.com/csp/article/K53620021?utm_source=f5support&%3Butm_medium=RSS