SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M · Version Status
SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M End of Life Date
SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M end-of-life date, support status, and CVE risk. Dates read at the vendor's own lifecycle pages (sonicwall.com); the source of each date is on the product page.
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SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M is past end of life. This version no longer receives security patches. 1873 days past EOL — migrate to a supported version immediately.
EOL Date
Sep 1, 2021
1873 days past EOL
Latest Release
NSA 250M
Standard release
Release Date
—
SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M series
Where these dates come from
End of lifeSep 1, 2021Our catalog, built from the vendor pages · sonicwall.commedium · 1 source agrees End of active supportAug 31, 2018Our catalog, built from the vendor pages · sonicwall.commedium · 1 source agrees
Confidence: high = two or more independent sources agree (the vendor's page read by our adapter, a person's check against the vendor, the dataset the date came from); medium = one; low = the vendor page disagrees or our last read is stale.
How we source dates.
Lifecycle detail
It has been without security patches for 5 years and 2 months.
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 SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
All SonicWall Firewalls (TZ / NSa / NSsp hardware) Versions
| Version | Latest | EOL Date | Status |
| NSA 240 |
NSA 240 |
Apr 29, 2017 |
EOL |
| TZ210W |
TZ210W |
May 30, 2017 |
EOL |
| TZ210 |
TZ210 |
May 30, 2017 |
EOL |
| TZ100W |
TZ100W |
Nov 15, 2017 |
EOL |
| TZ100 |
TZ100 |
Nov 15, 2017 |
EOL |
| TZ200W |
TZ200W |
Jan 13, 2018 |
EOL |
| TZ200 |
TZ200 |
Jan 13, 2018 |
EOL |
| NSA 5000 |
NSA 5000 |
May 12, 2018 |
EOL |
What does SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M end of life mean?
When SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M 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 SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to SonicWall Firewalls (TZ / NSa / NSsp hardware) NSa 2700 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M reach end of life?
SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M reached end of life on September 1, 2021. This version is no longer receiving security patches.
Is SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M still supported?
No. SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M reached end of life on September 1, 2021 and is no longer receiving security patches.
What should I upgrade to from SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M?
What are the security risks of running SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M past EOL?
When SonicWall Firewalls (TZ / NSa / NSsp hardware) NSA 250M 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 SonicWall Firewalls (TZ / NSa / NSsp hardware) should migrate immediately or implement compensating controls.