All intelligence
// vulnerability record
cached · NVD via COSMOS syncCVE-2026-6684
MEDIUMpublished 2026-07-01 15:17 UTC · 3 days ago · modified 2026-07-02 14:38 UTC
4.6
CVSS / 10
// description
FatFs prior to R0.16 that use GPT scanning with 'FF_LBA64 = 1' contains an issue where an unbounded loop count derived from GPT header field GPTH_PtNum, enabling extremely long or effectively infinite mount-time scans. This maps to CWE-835 (Loop with Unreachable Exit Condition). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H (4.6, Medium). The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Partial.
// weaknesses (CWE)
- CWE-835