What is CVE-2025-55096?

CVE-2025-55096 is a medium-severity vulnerability in Eclipse Threadx Usbx, classified under Integer Underflow. CVSS score: 6.1/10. Published 2025-10-17.

How severe is CVE-2025-55096?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Integer overflow in Eclipse Threadx Usbx

CVE-2025-55096

In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _ux_host_class_hid_report_descriptor_get() when parsing a descriptor of an USB HID device.

Published 2025-10-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Eclipse Threadx Usbx
Eclipse Foundation Netx Duo — versions 0

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

github.com/eclipse-threadx/usbx/security/advisories/GHSA-8m9v-jvjp-gmxq (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2025-55096?: CVE-2025-55096 is a medium-severity vulnerability in Eclipse Threadx Usbx, classified under Integer Underflow. CVSS score: 6.1/10. Published 2025-10-17.
How severe is CVE-2025-55096?: Medium severity. CVSS v3 base score is 6.1 out of 10.