Critical CVEs CVE-2026-6683: FatFs exFAT Divide-by-Zero Crash July 3, 2026 ♡Follow0 A divide-by-zero in exFAT handling can crash or brick devices. CVSS 4.6 (Medium). Discovered from: Seven Unpatched FatFs Flaws Expose Millions of Embedded Devices to Code Execution crashCVE-2026-6683divide-by-zeroexFATFatFs