CChaN

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Exploited and recent CVEs

• CVE-2026-6688 High 7.6 FatFs Buffer Overflow via Unbounded LFN Filename Copy 0.3%
• CVE-2026-6687 High 7.6 FatFs Stack Buffer Overflow via Uncapped exFAT Label Length 0.3%
• CVE-2026-6686 Medium 4.6 FatFs Use of Uninitialized Clusters After Seek Past EOF 0.3%
• CVE-2026-6684 Medium 4.6 FatFs Infinite Loop in GPT Partition Scan 0.3%
• CVE-2026-6683 Medium 4.6 FatFs Divide-by-Zero in exFAT Sync 0.3%
• CVE-2026-6682 High 7.6 FatFs Integer Overflow in FAT32 Volume Mount 0.3%