Juniper EX Series (hardware) EX9251 · Version Status
Juniper EX Series (hardware) EX9251 End of Life Date
Juniper EX Series (hardware) EX9251 end-of-life date, support status, and CVE risk. Dates read at the vendor's own lifecycle pages (support.juniper.net); the source of each date is on the product page.
⚡
Juniper EX Series (hardware) EX9251 reaches end of life on March 31, 2027. Plan your migration now — 171 days remaining.
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EOL Date
Mar 31, 2027
171 days remaining
Latest Release
EX9251-8X4C, EX9251-8X4C-DC, EX9251-8X4C-DC-T, EX9251-8X4C-T, EX9251-CHAS, EX9251-AFL, EX9251-ML
Standard release
Release Date
—
Juniper EX Series (hardware) EX9251 series
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Juniper EX Series (hardware) EX9251 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
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All Juniper EX Series (hardware) Versions
| Version | Latest | EOL Date | Status |
|---|
| EX2500 |
EX2500-24F-BF, EX2500-24F-FB |
Nov 30, 2017 |
EOL |
| EX4200-24P / EX4200-48P (original PoE models) |
EX4200-48P, EX4200-24P |
Jun 30, 2018 |
EOL |
| EX3200 |
EX3200-24P, EX3200-24T, EX3200-24T-DC, EX3200-48P, EX3200-48T, EX3200-48T-DC (-TAA variants), EX3200-FANTRAY |
Aug 31, 2019 |
EOL |
| EX4500 (first generation) |
EX4500-40F-FB, EX4500-40F-BF |
Jan 31, 2016 |
EOL |
| EX4500 (-C models) |
EX4500-40F-BF-C, EX4500-40F-DC-C, EX4500-40F-FB-C, EX4500-LB |
Dec 31, 2018 |
EOL |
| EX4500 (VC1 generation) |
EX4500-40F-VC1-BF, EX4500-40F-VC1-BF-TAA, EX4500-40F-VC1-FB, EX4500-VC1-128G, EX4500-UM-4XSFP |
Dec 31, 2022 |
EOL |
| EX6210 |
EX6210-CHAS, EX6200-48P, EX6200-48T, EX6200-SRE64-4XS, EX6200-PWR-AC2500/DC2100 |
Dec 31, 2022 |
EOL |
| EX8216 |
EX8216-BASE-AC, EX8216-BASE-AC-TAA, EX8216-REDUND-AC/AC2/DC, EX8216-CHAS-S, EX8216-SF320-S |
Dec 31, 2022 |
EOL |
What does Juniper EX Series (hardware) EX9251 end of life mean?
When Juniper EX Series (hardware) EX9251 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Juniper EX Series (hardware) EX9251 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Juniper EX Series (hardware) EX3400 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Juniper EX Series (hardware) EX9251 reach end of life?
Juniper EX Series (hardware) EX9251 reaches end of life on March 31, 2027. That is 171 days remaining.
Is Juniper EX Series (hardware) EX9251 still supported?
Juniper EX Series (hardware) EX9251 is still supported but approaching end of life on March 31, 2027. Begin planning your migration now.
What should I upgrade to from Juniper EX Series (hardware) EX9251?
The recommended upgrade from Juniper EX Series (hardware) EX9251 is
Juniper EX Series (hardware) EX3400 — the latest actively supported version. Check the
Juniper EX Series (hardware) full timeline for all supported versions.
What are the security risks of running Juniper EX Series (hardware) EX9251 past EOL?
When Juniper EX Series (hardware) EX9251 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Juniper EX Series (hardware) should migrate immediately or implement compensating controls.