You can check lists of resolved software bugs by referring to Open and Resolved Bugs in ASA 5500-X Series Firewalls Release Notes. For the support timeline of new ASA releases, please refer to Cisco ASA Software Release and Support Timeline Bulletin.įor the support timeline of new and previous ASA releases, please refer to End-of-Life and End-of-Sale Notices. 9.4, 9.6, etc.) will be supported for more long time than ASA software releases of an odd second digit (e.g. ASA software releases of an even second digit (e.g. ModelĪSA software TIPS Support timeline of ASA softwareįrom Cisco ASA 9.5(1), support timeline for Cisco ASA releases is changed. Before upgrading ASA software, referring release notes is recommended.
You can download an ASA software image from Download Software, which will need to have a valid account to download. ASA software upgrade guide is here. For more detail, please see Cisco ASA Compatibility. This document lists the Cisco Adaptive Security Appliance (ASA) software train compatibility for current and legacy ASA models.