CVE-2026-6687 | ChaN FatFs up to R0.16 f_getlabel stack-based overflow

A vulnerability described as critical has been identified in ChaN FatFs up to R0.16. Affected by this vulnerability is the function f_getlabel. Executing a manipulation can lead to stack-based buffer overflow.

This vulnerability is tracked as CVE-2026-6687. The physical device can be targeted for the attack. No exploit exists.