Buffer overflow in NVIDIA Dgx OS
CVE-2025-33189
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, information disclosure, or escalation of privileges.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (7.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- NVIDIA Dgx OS
- NVIDIA Dgx Spark — versions All versions prior to OTA0
- NVIDIA Dgx Spark
Weakness classification (CWE)
References
- nvd.nist.gov/vuln/detail/CVE-2025-33189 (Third Party Advisory)
- www.cve.org/CVERecord (Third Party Advisory)
- nvidia.custhelp.com/app/answers/detail/a_id/5720 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-33189?
- CVE-2025-33189 is a high-severity vulnerability in NVIDIA Dgx OS, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2025-11-25.
- How severe is CVE-2025-33189?
- High severity. CVSS v3 base score is 7.8 out of 10.