CVE-2025-33247
Remote Code Execution in NVIDIA Megatron LM Quantization Loader
Publication date: 2026-03-24
Last updated on: 2026-03-25
Assigner: NVIDIA Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nvidia | megatron-lm | to 0.15.3 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-502 | The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2025-33247 is a high-severity vulnerability in NVIDIA Megatron LM related to the quantization configuration loading process. It is classified under CWE-502 (Deserialization of Untrusted Data). This flaw allows an attacker with low privileges and no user interaction required to execute remote code on the affected system.
The vulnerability arises from improper handling of quantization configuration data, which can be exploited to run arbitrary code remotely.
How can this vulnerability impact me? :
Successful exploitation of this vulnerability can lead to several serious impacts including remote code execution, escalation of privileges, information disclosure, and data tampering.
- Remote code execution allows attackers to run malicious code on your system.
- Escalation of privileges can give attackers higher-level access than initially permitted.
- Information disclosure may expose sensitive data.
- Data tampering can compromise the integrity of your data.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate the CVE-2025-33247 vulnerability in NVIDIA Megatron LM, users should update their installations to version 0.15.3 or later.
This update addresses the vulnerability related to the quantization configuration loading process that could allow remote code execution.