SonicOS 7.3.1
SonicOS-7.3.1
Os Release
· SonicOS Series
Is SonicOS 7.3.1 still maintained?
No. SonicWall no longer maintains SonicOS 7.3.1; support ended 2026-09-30. 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 SonicWall's lifecycle bulletin.
When do security fixes for SonicOS 7.3.1 stop?
SonicWall has not published an end-of-engineering date for SonicOS 7.3.1.
What should I upgrade SonicOS 7.3.1 to?
Upgrade to a currently maintained SonicWall release. Check the release-train table on the vendor page for the nearest supported version.
SonicOS 7.3.1 Release Lifecycle
SonicOS 7.3.1 is a SonicWall SonicOS software release. Releases are maintained on a fixed schedule: SonicWall 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 SonicWall no longer provides technical support, software updates, or hardware replacement for this product. Organizations still running the SonicOS 7.3.1 should plan a migration .
Lifecycle Milestones
| Last date of support | 26 days ago |
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Additional Dates
| General Availability Date | 11mo ago |
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