# CVE-2025-33242

## Summary

- **CVE ID:** CVE-2025-33242
- **Severity:** MEDIUM
- **CVSS Score:** 5.9 (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H)
- **CWE:** CWE-1234
- **Published:** Mar 24, 2026
- **Last Modified:** Mar 24, 2026

## 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 Products

- NVIDIA — HGX and DGX B300 (All versions prior to and including 1.0)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.31%
- **EPSS Percentile:** 23.7

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._