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CVE-2026-91041

FileX fault-tolerant log replay writes past the destination sector when mounting a crafted FAT image

Mounting an attacker-controlled FAT image with fault tolerance enabled causes an out-of-bounds heap write during log replay. The write is attacker-positioned and attacker-valued, and on a common embedded memory layout it reaches the FX_MEDIA driver callback, giving control of the instruction pointer.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Eclipse
Products
Threadx Filex
CVE-2025-55089

Eclipse ThreadX FileX RAM disk driver buffer overflow

In FileX before 6.4.2, the file support module for Eclipse Foundation ThreadX, there was a possible buffer overflow in the FileX RAM disk driver. It could cause a remote execurtion after receiving a crafted sequence of packets

CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Vendors
Eclipse
Products
Threadx Filex