Unprivileged, authenticated user can change the routing settings
An external control of system vulnerability in FortiOS may allow an authenticated, regular user to change the routing settings of the device via connecting to the ZebOS component.
FortiOS version 6.0.2 and below
FortiOS version 5.6.7 and below
FortiOS version 5.4.10 and below
Upgrade to FortiOS version 6.0.3 or above
Upgrade to FortiOS version 5.6.8 and above
Upgrade to upcoming FortiOS version 5.4.11 and above
Fortinet thanks Thomas Hochmuth for reporting this vulnerability.