Plan to migrate to a Gen7 TZ series or NSa 2700 as soon as possible. Until then, use 5.9.2.13 as your final stable build.

Applying firmware causes a firewall reboot and service disruption (5–10 minutes). Notify users and ensure remote management access (e.g., via out-of-band LTE or dedicated mgmt port) in case of failure.

Because firmware 5.9.2.13 has reached its End of Support date, . An unsupported firewall will no longer receive security patches or technical support, leaving the network perimeter vulnerable to future threats.

Initial SonicWall SOHO editions (6th Generation entry point running 5.9 firmware stacks)

SonicOS 5.9.2.13 acts as a unified web post-release firmware built specifically to support legacy and early SOHO firewall models. If you run any of the following older systems, this firmware build provides critical vulnerability mitigation and maintenance updates: