Is CVE-2025-55089 actively exploited?

CVE-2025-55089 has no public evidence of in-the-wild exploitation as of 2026-01-20.

What is the CVSS score for CVE-2025-55089?

CVE-2025-55089 has a CVSS score of 9.2 (CRITICAL severity). Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X.

How do I patch CVE-2025-55089?

Patch guidance is available from eclipse security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-55089.

Which products are affected by CVE-2025-55089?

1 product: eclipse threadx filex.

Fix CVE-2025-55089 - CRITICAL eclipse threadx filex

Description

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 Metrics

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector: network
Complexity: high
Privileges: none
User Action: none
Confidentiality: undefined
Integrity: undefined
Availability: undefined
Weaknesses: CWE-119 · Memory Buffer Errors

Metadata

Primary Vendor: ECLIPSE
Published: 10/16/2025
Last Modified: 1/20/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-55089

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary