Cyber Products FatFs Library Vulnerabilities Expose Embedded Devices July 3, 2026 ♡Follow0 FatFs is a filesystem library for FAT/exFAT used in millions of embedded devices. Seven unpatched flaws were disclosed. Discovered from: Seven Unpatched FatFs Flaws Expose Millions of Embedded Devices to Code Execution embeddedFatFsfilesystemvulnerability