CVE-2025-33190: nvidia dgx_os Out-of-bounds Write
CVSS: 7.8v3.1HighAnalyzed
Published 25-11-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-33190 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in nvidia dgx_os. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 4.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-11-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
NVIDIA DGX Spark GB10 contains a vulnerability in SROOT firmware where an attacker could cause an out-of-bound write. A successful exploit of this vulnerability might lead to code execution, data tampering, denial of service, or escalation of privileges.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.7–7.8
- CVE.orgCNA6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
4%
Versus all other CVEs
30-day change
0.00 pp
From 0.16% on 19-09-2026
19-09-202619-10-2026
EPSS score0.16%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nvidia2 products
- dgx_osna
- dgx_spark_uefiAll versions prior to OTA0
1 vendor · 2 products
References
3 links
nvd.nist.gov/vuln/detail/CVE-2025-33190Third Party Advisory- www.cve.org/CVERecord?id=CVE-2025-33190Third Party Advisory
- nvidia.custhelp.com/app/answers/detail/a_id/5720Vendor Advisory