SonicWall has released a second firmware update for an SMA-100 zero-day vulnerability known to be used in attacks. SonicWall released a fix for the vulnerability on February 3rd and strongly recommended all users install it. The new SMA 10.2 firmware includes: Code-hardening fixes identified during an internal code audit. The updates apply to the SMA 200, SMA 210, 400, 410, and SMA 500v (Azure, AWS, ESXi, HyperV) virtual appliances.
Source: https://www.bleepingcomputer.com/news/security/sonicwall-releases-additional-update-for-sma-100-vulnerability/