ASA 5500-X Series Firewalls

Adaptive Security Appliance firewalls. Support dates split by model. The 5512-X/5515-X lack Secure Boot and were targeted in the ArcaneDoor attack campaign against out-of-support units.

5512-X / 5515-X (no Secure Boot)

EOSL — PAST

46 mo

past end of service

End of saleAug 2017

End of serviceAug 2022Cisco bulletin ↗

Last security firmwareASA Software 9.x

2 SKUs in this group

46mo past ASA5512-K9ASA 5512-X firewall › 46mo past ASA5515-K9ASA 5515-X firewall ›

5525-X / 5545-X / 5555-X

EOSL — PAST

9 mo

past end of service

End of saleSep 2020

End of serviceSep 2025Cisco bulletin ↗

Last security firmwareASA Software 9.x

3 SKUs in this group

9mo past ASA5525-K9ASA 5525-X firewall › 9mo past ASA5545-K9ASA 5545-X firewall › 9mo past ASA5555-K9ASA 5555-X firewall ›

5506-X / 5508-X / 5516-X

ENDING SOON

2 mo

until end of service

End of saleAug 2021

End of serviceAug 2026Cisco bulletin ↗

Last security firmwareASA Software 9.x

3 SKUs in this group

2mo left ASA5506-K9ASA 5506-X firewall › 2mo left ASA5508-K9ASA 5508-X firewall › 2mo left ASA5516-FTD-K9ASA 5516-X firewall ›