CVE-2025-55100: Eclipse Foundation USBX · Out-of-bounds Read
Affects Eclipse Foundation USBXSource CVE Database V5
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
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 17 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| Eclipse Foundation USBX | Affected
| 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.