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Vulnerabilities

Vulnerability · 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 p

Published Oct 17, 2025 · catalog updated Oct 17, 2025 · Eclipse Foundation

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-55099. EPSS is 0.34%. Act only if a listed version of Eclipse Foundation is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Low2.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Version ranges on file
Affected products
vendor Eclipse Foundation usbx 0 <6.4.3

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Eclipse Foundation usbx 0 <6.4.30 <6.4.3

How to fix CVE-2025-55099

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-55099. EPSS is 0.34%. Act only if a listed version of Eclipse Foundation is installed.

Which versions are affected?

Compare what you have installed with Eclipse Foundation usbx 0 <6.4.3 0 <6.4.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 17, 2025 · EUVD

    Detected

    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.

  2. Oct 17, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-55099

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-55099

    30-day exploitation probability 0.34%

    first.org
  • EUVDVulnerability recordEUVD-2025-34865

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026