CVE-2025-33242

State: Published
Severity: 5.9 Medium
Published: Mar 24, 2026
Updated: Mar 24, 2026
Reserved: Apr 15, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H	nvidia

Weaknesses

CWE-1234 Hardware Internal or Debug Modes Allow Override of Locks

Affected Products

Product	Versions
HGX and DGX B300NVIDIA	All versions prior to and including 1.0Affected

References

https://nvd.nist.gov/vuln/detail/CVE-2025-33242
https://www.cve.org/CVERecord?id=CVE-2025-33242
https://nvidia.custhelp.com/app/answers/detail/a_id/5768

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