Vulnerability · Published Mar 24, 2026 · Assigned by nvidia
CVE-2025-33242
Medium 5.9
In plain English
A medium-severity security flaw in HGX and DGX B300 from NVIDIA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.3%top 75.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
NVIDIA B300 MCU contains a vulnerability in the CX8 MCU that could allow a malicious actor to modify unsupported registries, causing a bad state. A successful exploit of this vulnerability might lead to denial of service and data tampering.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NVIDIA | HGX and DGX B300 | All versions prior to and including 1.0 |
Weakness: CWE-1234 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H