CVE-2025-33207

Control Register Access‑Control Bypass in NVIDIA ConnectX and BlueField Firmware Leading to Denial of Service

Published Sep 29, 2026 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Control Register Access‑Control Bypass in NVIDIA ConnectX and BlueField Firmware Leading to Denial of Service
Type Values Removed Values Added
First Time appeared Nvidia
Nvidia bluefield Ga
Nvidia bluefield Lts23
Nvidia bluefield Lts24
Nvidia connectx-5
Nvidia connectx Ga
Nvidia connectx Lts23
Nvidia connectx Lts24
Vendors & Products Nvidia
Nvidia bluefield Ga
Nvidia bluefield Lts23
Nvidia bluefield Lts24
Nvidia connectx-5
Nvidia connectx Ga
Nvidia connectx Lts23
Nvidia connectx Lts24
Type Values Removed Values Added
Description 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.
Weaknesses CWE-1262
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
nvidia
Published
Updated
Sep 29, 2026, 3:39 PM
Reserved
Apr 15, 2025, 6:51 PM
Status
Awaiting Analysis
Published
Sep 29, 2026, 3:17 PM
Modified
Oct 14, 2026, 1:10 PM