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CVE-2025-55098VulnerabilityPublished

CVE-2025-55098: Eclipse Foundation USBX · Out-of-bounds Read

Affects Eclipse Foundation USBXSource CVE Database V5

0

Not known to be exploited · CVSS 1.0 Low · fixed in 6.4.3 : update Eclipse Foundation USBX when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
1.0Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 21% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 6.4.3
CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Eclipse Foundation USBXAffected
  • =0
Fixed in–

AI-suggested

1. Upgrade USBX to version 6.4.3 or later immediately to apply the official fix for the out-of-bounds read vulnerability. 2. Implement strict USB device control policies, including whitelisting authorized USB devices and disabling unused USB ports on embedded and industrial systems. 3. Employ USB device authentication mechanisms where possible to prevent unauthorized or malicious USB peripherals from connecting. 4. Conduct physical security audits to restrict unauthorized access to systems that could be targeted via USB connections. 5. Monitor system logs and USB device connection events for unusual activity indicative of attempted exploitation. 6. For critical embedded systems, consider network segmentation and isolation to limit the impact of any device compromise. 7. Collaborate with device manufacturers and vendors to ensure timely firmware updates and vulnerability disclosures. 8. Educate operational technology (OT) personnel about USB-based attack vectors and enforce strict change management for peripheral devices. These measures go beyond generic patching by addressing physical and operational controls specific to embedded and industrial environments.

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_device_type_get() when parsing a descriptor of an USB audio device.

References

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