ThreatsIndustrial, OT & IoTBreakingSonicWall SMA1000 Zero-Day Chain Hit CISA KEV in Three Days. Patching Is the Easy PartSonicWall disclosed two actively exploited SMA1000 flaws on 1 September; CISA set a 5 September federal deadline. The harder problem is proving an appliance you cannot instrument is clean.Daniel Okafor·11 Sep 2026, 12:10 IST·5 min read