Critical severity · published Oct 17, 2025
CVE-2025-55100
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…
9.1
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TU
Threadx Usbx · Eclipse
before 6.4.3.202503 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-55100
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-55100
Exploit
https://github.com/eclipse-threadx/usbx/security/advisories/GHSA-j253-w29r-9m48
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