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CVE-2025-23301VulnerabilityPublished

CVE-2025-23301: NVIDIA HGX, DGX Hopper · Internal Asset Exposed to Unsafe Debug Access Level or State

Affects NVIDIA HGX, DGX HopperSource CVE Database V5

0

Not known to be exploited · CVSS 4.2 Medium : upgrade to 1.7.1 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
4.2Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.7.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Sep 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Upgrade NVIDIA HGX, DGX Hopper to 1.7.1.

Affected software

ProductAffectedFixed in
NVIDIA HGX, DGX HopperAffected
  • <1.7.1
Fixed in
  • 1.7.1

AI-suggested

To mitigate CVE-2025-23301, European organizations should: 1) Immediately review and restrict physical and local access to NVIDIA HGX and DGX Hopper systems to trusted personnel only, minimizing the risk of an attacker gaining the required local access. 2) Implement strict access control policies and monitoring on systems running affected versions to detect any attempts to modify VBIOS settings or debug access levels. 4) Conduct regular audits of system configurations, especially focusing on VBIOS settings and debug access levels, to ensure they remain within safe parameters. 5) Employ network segmentation and isolation for critical HPC infrastructure to limit the lateral movement of attackers who might gain initial access. 6) Enhance insider threat detection capabilities, given that exploitation requires local access with low privileges, to identify anomalous behavior indicative of attempts to exploit this vulnerability. 7) Consider deploying endpoint detection and response (EDR) solutions capable of monitoring low-level system changes and alerting on suspicious activities related to hardware debug interfaces.

Description

NVIDIA HGX and DGX contain a vulnerability where a misconfiguration of the VBIOS could enable an attacker to set an unsafe debug access level. A successful exploit of this vulnerability might lead to denial of service.

References

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