Tag: CVE-2026-6685

Critical CVEs

Seven Unpatched FatFs Flaws Expose Millions of Embedded Devices to Code Execution

Security firm runZero has disclosed seven unpatched vulnerabilities in FatFs, a widely used filesystem library for FAT and exFAT formats, embedded in…

ArduPilot CVE-2026-46817 CVE-2026-55200 CVE-2026-6682

July 3, 2026

Critical CVEs

CVE-2026-6685: FatFs Cache Handling Math Wrap on Fragmented Volumes

A math wrap in FatFs cache handling on fragmented volumes can silently corrupt data. CVSS 6.1 (Medium).

cache CVE-2026-6685 data corruption FatFs

July 3, 2026