Cisco Secure Firewall VPN flaw reportedly exploited to crash ASA/FTD devices

Cisco reports in-the-wild exploitation of an unauthenticated flaw in internet-reachable Secure Firewall ASA/FTD SSL VPN that can cause device reloads and denial of service. Exposure depends on software version and specific configuration; upgrade or apply Cisco mitigations and inventory affected tunnel-group settings. Victim scope is unknown and the report has no explicit publication date.