CVE-2025-33242

Published: Mar 24, 2026Modified: Jun 17, 2026

5.9

Vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

Exploitability: 0.7 / Impact: 5.2

Source: psirt@nvidia.com (Secondary)

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.

Related CWEs

CWE-1234

Hardware Internal or Debug Modes Allow Override of Locks

System configuration protection may be bypassed during debug mode.

References (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-33242

Source: psirt@nvidia.com

https://nvidia.custhelp.com/app/answers/detail/a_id/5768

Source: psirt@nvidia.com

https://www.cve.org/CVERecord?id=CVE-2025-33242

Source: psirt@nvidia.com

Timeline

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