CVE-2025-33188

8.0 HIGH

📋 TL;DR

This vulnerability in NVIDIA DGX Spark GB10 hardware allows attackers to tamper with hardware controls, potentially leading to information disclosure, data manipulation, or denial of service. It affects organizations using NVIDIA's DGX Spark GB10 systems for AI/ML workloads. The vulnerability stems from improper hardware resource management (CWE-269).

💻 Affected Systems

Products:
  • NVIDIA DGX Spark GB10
Versions: All versions prior to patched firmware
Operating Systems: Linux-based DGX OS
Default Config Vulnerable: ⚠️ Yes
Notes: Specifically affects hardware resource management in DGX Spark GB10 systems used for distributed AI training.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete system compromise allowing data theft, data corruption, and permanent denial of service through hardware manipulation.

🟠

Likely Case

Temporary denial of service or unauthorized access to sensitive AI/ML data and models.

🟢

If Mitigated

Limited impact through network segmentation and access controls, but hardware-level risks remain.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires physical or network access to the hardware management interface.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check NVIDIA advisory for specific firmware version

Vendor Advisory: https://nvidia.custhelp.com/app/answers/detail/a_id/5720

Restart Required: Yes

Instructions:

1. Review NVIDIA advisory ID 5720
2. Download latest firmware from NVIDIA support portal
3. Apply firmware update following NVIDIA documentation
4. Reboot system to activate changes

🔧 Temporary Workarounds

Network Segmentation

linux

Isolate DGX Spark GB10 management interfaces from untrusted networks

iptables -A INPUT -s <trusted_network> -p tcp --dport <mgmt_port> -j ACCEPT
iptables -A INPUT -p tcp --dport <mgmt_port> -j DROP

Access Control Hardening

all

Restrict access to hardware management interfaces to authorized administrators only

Configure strong authentication and authorization for BMC/IPMI interfaces

🧯 If You Can't Patch

  • Isolate affected systems in dedicated network segments with strict access controls
  • Implement continuous monitoring for unauthorized hardware access attempts

🔍 How to Verify

Check if Vulnerable:

Check firmware version against NVIDIA advisory and verify if pre-patch versions are installed

Check Version:

ipmitool mc info | grep 'Firmware Revision' or check NVIDIA system management tools

Verify Fix Applied:

Confirm firmware version matches or exceeds patched version specified in NVIDIA advisory

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to hardware management interfaces
  • Unexpected hardware configuration changes
  • BMC/IPMI authentication failures

Network Indicators:

  • Unusual traffic to hardware management ports (typically 623/624 for IPMI)
  • Connection attempts from unauthorized IP addresses to management interfaces

SIEM Query:

source="*mgmt*" AND (event_type="authentication_failure" OR event_type="configuration_change") AND device_type="DGX Spark"

🔗 References

📤 Share & Export