Vulnerability in Nvidia Hgx And Dgx B300

CVE-2025-33242

NVIDIA B300 MCU contains a vulnerability in the CX8 MCU that could allow a malicious actor to modify unsupported registries, causing a bad state. A successful exploit of this vulnerability might lead to denial of service and data tampering.

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-33242?
CVE-2025-33242 is a medium-severity vulnerability in Nvidia Hgx And Dgx B300, classified under CWE-1234. CVSS score: 5.9/10. Published 2026-03-24.
How severe is CVE-2025-33242?
Medium severity. CVSS v3 base score is 5.9 out of 10.