Resource exhaustion in Wind River Systems Vxworks 7

CVE-2025-26500

: Uncontrolled Resource Consumption vulnerability in Wind River Systems VxWorks 7 on VxWorks allows Excessive Allocation.   Specifically crafted USB packets may lead to the system becoming unavailable This issue affects VxWorks 7: from 22.06 through 24.03.

Vulnerability class: DoS (Denial of Service)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (10.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-26500: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-26500?
CVE-2025-26500 is a medium-severity vulnerability in Wind River Systems Vxworks 7, classified under Uncontrolled Resource Consumption. CVSS score: 4.6/10. Published 2025-03-21.
How severe is CVE-2025-26500?
Medium severity. CVSS v3 base score is 4.6 out of 10.