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.

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Fixes

Solution

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Workaround

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History

Wed, 25 Mar 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Nvidia
Nvidia dgx B300
Nvidia hgx B300
Vendors & Products Nvidia
Nvidia dgx B300
Nvidia hgx B300

Tue, 24 Mar 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 24 Mar 2026 20:30:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-1234
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: nvidia

Published:

Updated: 2026-03-24T20:55:26.563Z

Reserved: 2025-04-15T18:51:08.192Z

Link: CVE-2025-33242

cve-icon Vulnrichment

Updated: 2026-03-24T20:53:30.749Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-24T21:16:24.253

Modified: 2026-03-25T15:41:58.280

Link: CVE-2025-33242

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-25T11:46:05Z

Weaknesses