CVE-2025-55099: eclipse foundation usbx Out-of-bounds Read
CVSS: 6.1v3.1MediumAnalyzed
Published 17-10-2025Last modified 17-10-2025
Vulnerability summary
CVE-2025-55099 is a medium (CVSS 6.1) Out-of-bounds Read vulnerability in eclipse foundation usbx. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
0.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 17-10-2025PublishedVulnerability first disclosed.
- 17-10-2025Last modifiedVulnerability information updated.
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_alternate_setting_locate() when parsing a descriptor with attacker-controlled frequency fields.
CVSS metrics
3 scores · 2 sources · 2 versionsLow 2.4Preferred score · CVE.org (CNA)
CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST2.4LowCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Medium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesSingle source
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 19-09-2026
19-09-202619-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundUsbx
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Eclipse1 product
- threadx_usbx< 6.4.3.202503
Eclipse foundation1 product
- usbx< 6.4.3
2 vendors · 2 products