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CVE-2025-33242

MEDIUM
5.9
CVSS Score
Published: March 24, 2026 at 08:22 PM UTC
Updated: June 17, 2026 at 09:13 AM UTC
2 products affected across 1 vendorHGX B300DGX B300

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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.9MEDIUMnvidia
Attack Vector
NETWORK
Complexity
HIGH
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-1234

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