SNS Firmware 1 · Version Status
SNS Firmware 1 End of Life Date
SNS Firmware 1 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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SNS Firmware 1 is past end of life. This version no longer receives security patches. 4125 days past EOL — migrate to a supported version immediately.
EOL Date
Apr 24, 2015
4125 days past EOL
Latest Release
—
Standard release
Release Date
Jun 3, 2014
SNS Firmware 1 series
Lifecycle detail
SNS Firmware 1 was released on June 3, 2014 and support ended on April 24, 2015 — a supported lifespan of 11 months, shorter than the 1 year and 4 months median for SNS Firmware releases. It was not an LTS release; SNS Firmware reserves longer patch windows for its LTS versions. It has been without security patches for 11 years and 4 months. 13 newer SNS Firmware releases have shipped since.
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 SNS Firmware 1 support is available
Commercial vendors offer security patches beyond EOL. Compare your options.
Compare Options →
All SNS Firmware Versions
| Version | Latest | EOL Date | Status |
|---|
| → 1 |
— |
Apr 24, 2015 |
EOL |
| 2 |
— |
Sep 13, 2021 |
EOL |
| 3 |
— |
Sep 24, 2020 |
EOL |
| 3.7 LTS |
— |
Jun 30, 2024 |
EOL |
| 4.0 |
— |
Sep 24, 2020 |
EOL |
| 3.11 LTS |
— |
Jun 30, 2024 |
EOL |
| 4.1 |
— |
Apr 6, 2021 |
EOL |
| 4.2 |
— |
Jul 21, 2022 |
EOL |
What does SNS Firmware 1 end of life mean?
When SNS Firmware 1 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: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running SNS Firmware 1 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to SNS Firmware 5.0 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does SNS Firmware 1 reach end of life?
SNS Firmware 1 reached end of life on April 24, 2015. This version is no longer receiving security patches.
Is SNS Firmware 1 still supported?
No. SNS Firmware 1 reached end of life on April 24, 2015 and is no longer receiving security patches.
What should I upgrade to from SNS Firmware 1?
The recommended upgrade from SNS Firmware 1 is
SNS Firmware 5.0 — the latest actively supported version. Check the
SNS Firmware full timeline for all supported versions.
What are the security risks of running SNS Firmware 1 past EOL?
When SNS Firmware 1 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL SNS Firmware should migrate immediately or implement compensating controls.