CVE-2025-33242
Quick assessment
Affected
NVIDIA HGX and DGX B300
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
NVIDIA B300 MCU是美国英伟达（NVIDIA）公司的一款用于硬件设备管理与控制功能的微控制单元组件。 NVIDIA B300 MCU存在安全漏洞，该漏洞源于CX8 MCU允许修改不受支持的注册表，可能导致拒绝服务和数据篡改。
Possible ATT&CK Techniques 1 AI
T1552 · Unsecured Credentials
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I. Basic Information for CVE-2025-33242
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1234
Source: CVE Program / CVE List V5
Vulnerability Title
NVIDIA B300 MCU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NVIDIA B300 MCU是美国英伟达（NVIDIA）公司的一款用于硬件设备管理与控制功能的微控制单元组件。 NVIDIA B300 MCU存在安全漏洞，该漏洞源于CX8 MCU允许修改不受支持的注册表，可能导致拒绝服务和数据篡改。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| NVIDIA | HGX and DGX B300 | All versions prior to and including 1.0 | - |
|
II. Public POCs for CVE-2025-33242
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2025-33242 (3)
Same Patch Batch · NVIDIA · 2026-03-24 · 15 CVEs total
| CVE-2025-33244 | 9.0 CRITICAL | NVIDIA Apex 代码问题漏洞 |
| CVE-2025-33247 | 7.8 HIGH | NVIDIA Megatron LM 代码问题漏洞 |
| CVE-2025-33248 | 7.8 HIGH | NVIDIA Megatron-LM 代码问题漏洞 |
| CVE-2026-24150 | 7.8 HIGH | NVIDIA Megatron-LM 代码问题漏洞 |
| CVE-2026-24151 | 7.8 HIGH | NVIDIA Megatron-LM 代码问题漏洞 |
| CVE-2026-24152 | 7.8 HIGH | NVIDIA Megatron-LM 代码问题漏洞 |
| CVE-2026-24141 | 7.8 HIGH | NVIDIA Model Optimizer 代码问题漏洞 |
| CVE-2026-24157 | 7.8 HIGH | NVIDIA Nemo Framework 代码问题漏洞 |
| CVE-2026-24159 | 7.8 HIGH | NVIDIA Nemo Framework 代码问题漏洞 |
| CVE-2025-33238 | 7.5 HIGH | NVIDIA Triton Inference Server 竞争条件问题漏洞 |
| CVE-2025-33254 | 7.5 HIGH | NVIDIA Triton Inference Server 竞争条件问题漏洞 |
| CVE-2026-24158 | 7.5 HIGH | NVIDIA Triton Inference Server 安全漏洞 |
| CVE-2025-33215 | 6.8 MEDIUM | NVIDIA SNAP-4 Container 安全漏洞 |
| CVE-2025-33216 | 6.8 MEDIUM | NVIDIA SNAP-4 Container 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2025-33242
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