How severe is CVE-2025-55099?

CVE-2025-55099 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.

Is CVE-2025-55099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55099?

CVE-2025-55099 affects Eclipse Threadx Usbx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55099?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55099 have an EU (EUVD) identifier?

Yes. CVE-2025-55099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34865.

When was CVE-2025-55099 published?

CVE-2025-55099 was published on 2025-10-17 and last updated on 2026-06-17.

CVE-2025-55099

CVE-2025-55099 is a medium-severity vulnerability in Eclipse Threadx Usbx with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v4: 2.4
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34865
Weakness: CWE-125
Affected product: Eclipse Threadx Usbx
Published: 2025-10-17
Last modified: 2026-06-17

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_audio_alternate_setting_locate() when parsing a descriptor with attacker-controlled frequency fields.

Frequently asked questions

What is CVE-2025-55099?: 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_audio_alternate_setting_locate() when parsing a descriptor with attacker-controlled frequency fields.
How severe is CVE-2025-55099?: CVE-2025-55099 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability high.
Is CVE-2025-55099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55099?: CVE-2025-55099 affects Eclipse Threadx Usbx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55099 have an EU (EUVD) identifier?: Yes. CVE-2025-55099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34865.
When was CVE-2025-55099 published?: CVE-2025-55099 was published on 2025-10-17 and last updated on 2026-06-17.

References

https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-93mv-fcpr-9488

Affected products (1)

cpe:2.3:o:eclipse:threadx_usbx:*:*:*:*:*:*:*:*

More vulnerabilities in Eclipse Threadx Usbx

CVE-2022-29246 — Critical (CVSS 9.8): Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack. Prior to version 6.1.11, he USBX DFU UPLOAD…
CVE-2025-55100 — Critical (CVSS 9.1): In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read…
CVE-2022-39293 — High (CVSS 8.6): Azure RTOS USBX is a high-performance USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated…
CVE-2022-36063 — High (CVSS 7.6): Azure RTOS USBx is a USB host, device, and on-the-go (OTG) embedded stack, fully integrated with Azure RTOS ThreadX and…
CVE-2022-29223 — High (CVSS 7.5): Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack. In versions prior to 6.1.10, an attacker can…
CVE-2023-48695 — High (CVSS 7.3): Azure RTOS USBX is a USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS…

All CVEs affecting Eclipse Threadx Usbx →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

Browse all CWE-125 (Out-of-bounds Read) vulnerabilities →