"It is a pre-auth RCE [and] has been proven to be exploitable in a consistent manner; we found it during a Red Team engagement and have exploited it remotely..."
Friendly reminder to upgrade your fortigates ASAP!
Personally I love Fortis for firewalls and SDWAN, Huawei for routing, switching and WLAN. Clearpas for Auth.
I do not have a lot of experience in different Monitoring softwares but am quite used to solarwinds.