---
id: CVE-2025-33207
title: >-
  NVIDIA ConnectX and Bluefield contain a vulnerability in a control register,
  where a user with VF access could cause improper access control for the
  register interface by sending a malicious command to the firmware
summary: >-
  NVIDIA ConnectX and Bluefield contain a vulnerability in a control register,
  where a user with VF access could cause improper access control for the
  register interface by sending a malicious command to the firmware. A
  successful exploit …
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'
cwe:
  - CWE-1262
vendor: NVIDIA
product: BlueField GA
affected:
  - bluefield_ga All versions prior to 47.1020
  - bluefield_lts23 All versions prior to 39.5124
  - bluefield_lts24 All versions prior to 43.4100
  - connectx_ga All versions prior to 47.1020
  - connectx_lts23 All versions prior to 39.5124
  - connectx_lts24 All versions prior to 43.4100
  - ConnectX-5 All versions prior to 16.35.8008
published: '2026-09-29'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T16:17:04.287'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-33207'
references:
  - url: 'https://github.com/NVIDIA/product-security/tree/main/2026/5847'
    label: psirt@nvidia.com
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2025-33207'
    label: psirt@nvidia.com
  - url: 'https://www.cve.org/CVERecord?id=CVE-2025-33207'
    label: psirt@nvidia.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-29T15:11:46.490573Z'
ingestedAt: '2026-09-29T14:36:14.089Z'
---

## Overview

NVIDIA ConnectX and Bluefield contain a vulnerability in a control register, where a user with VF access could cause improper access control for the register interface by sending a malicious command to the firmware. A successful exploit of this vulnerability might lead to denial of service.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.