Too bad they charge for updates
I wonder if these are subject to same to the same bullshit as Cisco's routers and switches were you can only get new versions of the software if you buy a ridiculously expensive support plan.
Cisco has issued a firmware update to address four security flaws in its Adaptive Security Appliance (ASA) that open up the gear to denial-of-service attacks. By exploiting these bugs, six models in the ASA family can be forced to repeatedly reset, rendering the hardware useless. Vulnerable products include the Cisco ASA …
CVE-2015-6324, a vulnerability present in devices equipped with the DHCPv6 relay feature allowing an attacker to reset the device with a specially-crafted DHCPv6 packet
We were stress-testing a mobile IP stack with randomly-generated malformed IPv6 packages one of which cleared the run-time configuration of the gateway router, killing the entire network for ... hours.
Posted the bug & "magick package" to CISCO, never heard anything ever after.