Stormshield Network Security (SNS) firmware 4.3 LTSB
SNS-4.3-LTSB
Os Release
· SNS Series
Is Stormshield Network Security (SNS) firmware 4.3 LTSB still maintained?
No. Stormshield no longer maintains Stormshield Network Security (SNS) firmware 4.3 LTSB; support ended 2026-03-31. It receives no fixes of any kind, including security patches. Devices running it are unpatched against any newer vulnerability — plan an upgrade to a maintained release. See Stormshield's lifecycle bulletin.
When do security fixes for Stormshield Network Security (SNS) firmware 4.3 LTSB stop?
Stormshield has not published an end-of-engineering date for Stormshield Network Security (SNS) firmware 4.3 LTSB.
What should I upgrade Stormshield Network Security (SNS) firmware 4.3 LTSB to?
Upgrade to a currently maintained Stormshield release. Check the release-train table on the vendor page for the nearest supported version.
Stormshield Network Security (SNS) firmware 4.3 LTSB Release Lifecycle
Stormshield Network Security (SNS) firmware 4.3 LTSB is a Stormshield SNS software release. Releases are maintained on a fixed schedule: Stormshield ships fixes and security patches until the release reaches end of engineering, after which a device must be upgraded to a maintained release to stay patchable. The dates below are milestones for the software train, not for any specific appliance — hardware running this release has its own separate lifecycle. This product has reached end of life as of , meaning Stormshield no longer provides technical support, software updates, or hardware replacement for this product. Organizations still running the Stormshield Network Security (SNS) firmware 4.3 LTSB should plan a migration .
Lifecycle Milestones
| End of software maintenance | 10mo ago | |
|---|---|---|
| Last date of support | 7mo ago |
Additional Dates
| General Availability Date | 4y 9mo ago |
|---|