Medium severity · published Sep 29, 2026
CVE-2025-33207
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…
6.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BG
BlueField GA · NVIDIA
All versions prior to 47.1020 · source: vendor
BL
BlueField LTS23 · NVIDIA
All versions prior to 39.5124 · source: vendor
BL
BlueField LTS24 · NVIDIA
All versions prior to 43.4100 · source: vendor
CG
ConnectX GA · NVIDIA
All versions prior to 47.1020 · source: vendor
CL
ConnectX LTS23 · NVIDIA
All versions prior to 39.5124 · source: vendor
CL
ConnectX LTS24 · NVIDIA
All versions prior to 43.4100 · source: vendor
CO
ConnectX-5 · NVIDIA
All versions prior to 16.35.8008 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-33207
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-33207
nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2025-33207
www.cve.org
https://www.cve.org/CVERecord?id=CVE-2025-33207
github.com
https://github.com/NVIDIA/product-security/tree/main/2026/5847
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