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CVE-2025-55089

Eclipse Threadx Filex buffer overflow

9.8 CRITICALPublic exploitEPSS 0.51%
  1. Published16 Oct 2025

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Eclipse Threadx Filex< 6.4.2

Remediation

Fixed in
Eclipse Threadx Filex≥ 6.4.2

References

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Frequently asked

Is CVE-2025-55089 being actively exploited?

CVE-2025-55089 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.51%.

How severe is CVE-2025-55089?

CVE-2025-55089 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.51% probability of exploitation.

Which products are affected by CVE-2025-55089?

Affected products include Eclipse Threadx Filex.

How do I fix CVE-2025-55089?

Upgrade affected software to a fixed version, for example Eclipse Threadx Filex 6.4.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.