CVE-2025-55096

Inadequate bounds check and potential underflow in _ux_host_class_hid_report_descriptor_get()

MEDIUM
6.1
CVSS Score
Published: October 17, 2025 at 05:32 AM UTC
Updated: October 9, 2026 at 10:10 AM UTC
2 products affected across 1 vendorThreadX USBXThreadx Netx Duo

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.4.3.202503*
0 ≤ v < 6.4.30
Affected range stops below 6.4.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-191

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