Cisco ASA 5500-X Series (hardware) End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Cisco ASA 5500-X Series (hardware) versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
Running an EOL version? Get matched with support options — free ↓| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| ASA 5505 | ASA 5505 | — | Aug 31, 2022 | 1464 days past EOL | EOL |
| ASA 5512-X | ASA 5512-X | — | Aug 31, 2022 | 1464 days past EOL | EOL |
| ASA 5515-X | ASA 5515-X | — | Aug 31, 2022 | 1464 days past EOL | EOL |
| ASA 5585-X | ASA 5585-X (SSP-10/20/40/60) | — | May 31, 2023 | 1191 days past EOL | EOL |
| ASA 5525-X | ASA 5525-X | — | Sep 30, 2025 | 338 days past EOL | EOL |
| ASA 5545-X | ASA 5545-X | — | Sep 30, 2025 | 338 days past EOL | EOL |
| ASA 5555-X | ASA 5555-X | — | Sep 30, 2025 | 338 days past EOL | EOL |
| ASA 5506-X | ASA 5506-X, 5506W-X, 5506H-X | — | Aug 31, 2026 | 3 days past EOL | EOL |
| ASA 5508-X | ASA 5508-X | — | Aug 31, 2026 | 3 days past EOL | EOL |
| ASA 5516-X | ASA 5516-X | — | Aug 31, 2026 | 3 days past EOL | EOL |
Live EOL badge for your README — updates automatically at every build.
[](https://endoflife.ai/cisco-asa-5500-x)
Cisco ASA 5500-X Series (hardware) lifecycle status — the real story
Cisco ASA 5500-X is the appliance generation under Cisco ASA software: the ASA 5506-X (with the 5506W-X and 5506H-X), 5508-X, 5516-X, 5512-X, 5515-X, 5525-X, 5545-X, 5555-X and 5585-X, plus the ASA 5505 they replaced. Cycles on this page are appliance models, so it is the hardware companion to the Cisco ASA software page: the exploited CVEs that put ASA in CISA's KEV catalog are software CVEs and are tracked there, but they run on these boxes. Every date is taken from Cisco's own End-of-Sale and End-of-Life bulletins (public, read in-browser on 2026-09-03; cisco.com blocks automated fetches, so the verify registry is frozen to manual re-reads). Field mapping: support is Cisco's End-of-Sale Date (the last day to order); eol is Cisco's Last Date of Support, after which, in Cisco's words, all support services for the product are unavailable and the product becomes obsolete; the announcement date and the End of Service Contract Renewal Date are carried as extra fields.
The cliff just passed. Bulletins EOL13763 and EOL13762 (announced February 1, 2021) set the same milestones for the ASA 5506-X, 5508-X and 5516-X: end of sale August 2, 2021, end of service contract renewal October 28, 2025, and Last Date of Support August 31, 2026. Cisco names the Firepower 1000 Series as the migration for all three. A year earlier the ASA 5525-X, 5545-X and 5555-X went the same way under bulletin EOL13130: end of sale September 4, 2020, end of service contract renewal November 30, 2024, Last Date of Support September 30, 2025, migration to the Firepower 2100 Series.
Already long past: the ASA 5585-X (end of sale June 1, 2018, Last Date of Support May 31, 2023, migration to the Firepower 4100 Series), and the ASA 5512-X, 5515-X and 5505, which share the milestones of bulletin EOL11414 and its 5505 counterpart: end of sale August 25, 2017 and Last Date of Support August 31, 2022. Cisco's stated migration for the 5505 was the 5506-X, which is itself now past support.
Why it matters beyond the calendar: after the Last Date of Support Cisco provides no software maintenance, no security fixes and no hardware replacement for these models, so an exploited ASA vulnerability that CISA later adds to the KEV catalog has no vendor fix on these boxes; which ASA release each model can run last is stated in Cisco's ASA release notes, not here. Under CISA BOD 26-02 every model on this page is an end-of-support device as of September 1, 2026.
Cisco ASA 5500-X Series (hardware) release and support pattern
Of the 10 release lines tracked, 10 are past end of life and 0 are still within support.
Computed from the tracked release data at every build — the figures above are the dates in the table, restated, not an editorial estimate.
What does Cisco ASA 5500-X Series (hardware) end of life mean for your organization?
When a version of Cisco ASA 5500-X Series (hardware) reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Cisco ASA 5500-X Series (hardware) should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Your options when Cisco ASA 5500-X Series (hardware) reaches end of life
There are four realistic paths. Which one is right depends far more on how long the system needs to keep running than on the version you are on today.
| Option | Best when | Watch out for |
|---|---|---|
| Move to a supported version | The system will outlive the current version's support window and you can schedule the work | Budget for compatibility testing, not just the upgrade itself — that is where the real cost sits |
| Replace the component | The project is unmaintained, or a better-supported alternative exists | The replacement has its own lifecycle and its own end-of-life date — you are changing vendors, not escaping the problem |
| Buy extended support | Migration is genuinely underway but cannot finish before the deadline, or the workload is frozen by certification or a third-party application | A bridge, not a destination — every year purchased is a year the migration still has to happen |
| Document accepted risk | The system is isolated, short-lived, or scheduled for retirement | Only defensible with real compensating controls and a written decision — auditors treat undocumented end-of-life software as a finding |
How to choose, in one question: how many more years does this system need to run? Under a year, extended support (where it exists) is usually cheaper than an emergency migration. One to three years, migrate — support purchased repeatedly costs more than doing the project once, and the project only gets harder as the version ages. Indefinitely, migrate now and plan the next migration before it surprises you.
Worth saying plainly, because vendors selling extended support rarely will: extended support is often the more expensive choice over a multi-year horizon. It is the right answer when a deadline is genuinely unreachable, not as a default. Compare the annual fee against the one-time cost of migrating before committing to either.
Formalizing decisions like this across your estate? Our free EOL policy template is a ready-to-adopt policy with risk tiers, remediation SLAs, and audit mapping — no signup, free to use and share.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Cisco ASA 5500-X Series (hardware) versions. This is a bridge, not a permanent solution — plan your migration in parallel.
Cisco ASA 5500-X Series (hardware) has 10 versions past end of life — security patches have stopped, but CVE disclosures haven't. Extended support past the official date exists for many products in this position — whether it exists for Cisco ASA 5500-X Series (hardware) is exactly what we check. Tell us where to reach you and we'll reply with matched options and pricing guidance — or an honest "no vendor covers this."