CVE-2026-6682: Integer Overflow or Wraparound

In FatFS R0.16 and earlier contains a FAT32 integer overflow bug in mountvolume where fasize = fs-nfats can wrap, leading to attacker-controlled file-size metadata and unsafe read lengths in downstream callers. This maps to CWE-190 Integer Overflow or Wraparound. Estimated CVSS v3.1 vector:...