Buffer overflow in Eclipse Threadx_filex

CVE-2025-55089

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

Vulnerability class: Buffer Overflow

EPSS: 0.005 (37.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-55089?
CVE-2025-55089 is a critical-severity vulnerability in Eclipse Threadx_filex, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-10-16.
How severe is CVE-2025-55089?
Critical severity. CVSS v3 base score is 9.8 out of 10.