How severe is CVE-2025-33191?

CVE-2025-33191 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2025-33191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-33191?

CVE-2025-33191 affects Nvidia Dgx Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-33191?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-33191 have an EU (EUVD) identifier?

Yes. CVE-2025-33191 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199629.

When was CVE-2025-33191 published?

CVE-2025-33191 was published on 2025-11-25 and last updated on 2026-06-17.

CVE-2025-33191

CVE-2025-33191 is a medium-severity vulnerability in Nvidia Dgx Os with a CVSS 3.x base score of 5.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-199629
Weakness: CWE-20
Affected product: Nvidia Dgx Os
Published: 2025-11-25
Last modified: 2026-06-17

Description

NVIDIA DGX Spark GB10 contains a vulnerability in OSROOT firmware, where an attacker could cause an invalid memory read. A successful exploit of this vulnerability might lead to denial of service.

Frequently asked questions

What is CVE-2025-33191?: NVIDIA DGX Spark GB10 contains a vulnerability in OSROOT firmware, where an attacker could cause an invalid memory read. A successful exploit of this vulnerability might lead to denial of service.
How severe is CVE-2025-33191?: CVE-2025-33191 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2025-33191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-33191?: CVE-2025-33191 affects Nvidia Dgx Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-33191?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-33191 have an EU (EUVD) identifier?: Yes. CVE-2025-33191 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199629.
When was CVE-2025-33191 published?: CVE-2025-33191 was published on 2025-11-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:nvidia:dgx_os:-:*:*:*:*:*:*:*

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