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CVE-2025-55098

21
FAUCET Score

CVE-2025-55098 is an out-of-bounds read vulnerability in the USBX component of Eclipse Foundation ThreadX, affecting versions prior to 6.4.3. This flaw occurs during the parsing of USB audio device descriptors within the _ux_host_class_audio_device_type_get() function. Rated 6.1 MEDIUM, the vulnerability has a physical attack vector (AV:P) and low attack complexity (AC:L), requiring physical access to the device. A successful exploit could lead to high confidentiality impact (C:H) and high availability impact (A:H), potentially allowing an attacker to read sensitive data or cause a denial of service. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. The vulnerability has garnered minimal community discussion and media coverage, indicating low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.4.3.202503CPE matchmatch criteria
cpe:2.3:o:eclipse:threadx_usbx:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

1.0LOW

CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/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

Attack Vector
PHYSICAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
LOW
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 47th percentile among its peer group of 1,532 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

References

github.com / eclipse-threadx/usbx/security/advisories/GHSA-4jc2-x5hv-46fq
ExploitVendor Advisory