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CVE-2025-55100VulnerabilityPublished

CVE-2025-55100: Eclipse Foundation USBX · Out-of-bounds Read

Affects Eclipse Foundation USBXSource CVE Database V5

0

Not known to be exploited · CVSS 2.4 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
2.4Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 46% 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:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/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

Until patches are deployed, organizations should implement strict USB device control policies, including disabling unused USB ports, restricting USB device types allowed, and using endpoint security solutions that can detect anomalous USB device behavior. Employ hardware-based USB port locks or physical security controls to prevent unauthorized device connections. Additionally, validate and sanitize USB audio data inputs at the application level where possible. Conduct security awareness training to inform users about the risks of connecting untrusted USB devices. For critical embedded systems, consider network segmentation and monitoring to detect abnormal device behavior that could indicate exploitation attempts. Finally, collaborate with device manufacturers to ensure secure firmware updates and vulnerability management.

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_audio10_sam_parse_func() when parsing a list of sampling frequencies.

References

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