VulnerabilityPublished 25 Nov 2025

CVE-2025-33198: NVIDIA DGX Spark · Sensitive Information in Resource Not Removed Before Reuse

Affects NVIDIA DGX SparkSource CVE Database V5

Not known to be exploited · CVSS 3.3 Low.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score

3.3Low

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.1% chance of exploitation in 30 days – higher than 3% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector: Local
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: None
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Local: The vulnerable component is not bound to the network stack and the attacker’s path is via read/write/execute capabilities. Either: the attacker exploits the vulnerability by accessing the target system locally (e.g., keyboard, console), or remotely (e.g., SSH); or the attacker relies on User Interaction by another person to perform actions required to exploit the vulnerability (e.g., tricking a legitimate user into opening a malicious document).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 25 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

AI-suggested

To mitigate CVE-2025-33198, European organizations should: 1) Monitor NVIDIA communications and apply the OTA0 firmware update promptly once released, as this update is expected to address the vulnerability. 2) Restrict local access to DGX Spark systems strictly to authorized and trusted personnel, implementing strong access controls and monitoring for unusual activity. 3) Employ endpoint security solutions on systems interfacing with DGX Spark to detect potential insider threats or unauthorized access attempts. 4) Conduct regular audits of user privileges and session logs to identify and respond to suspicious behavior quickly. 5) Isolate DGX Spark environments within secure network segments to limit exposure. 6) Educate staff on the risks of local privilege misuse and enforce policies to minimize the risk of insider exploitation. These targeted actions go beyond generic advice by focusing on the specific access requirements and operational context of the DGX Spark platform.

Description

NVIDIA DGX Spark GB10 contains a vulnerability in SROOT firmware, where an attacker could cause a resource to be reused. A successful exploit of this vulnerability might lead to information disclosure.

Impact

The primary impact of CVE-2025-33198 is the potential disclosure of sensitive information residing in reused resources within the DGX Spark system's firmware. For European organizations, especially those engaged in AI research, data analytics, or HPC tasks using NVIDIA DGX Spark, this could lead to exposure of proprietary algorithms, datasets, or confidential operational data. Although the vulnerability does not allow remote exploitation and requires local access with low privileges, insider threats or compromised local accounts could leverage this flaw to extract sensitive information. The limited scope and low severity reduce the likelihood of widespread disruption, but in regulated industries such as finance, healthcare, or defense, even minor data leaks can have compliance and reputational consequences. The absence of known exploits in the wild lowers immediate risk, but the presence of this vulnerability in critical AI infrastructure warrants proactive mitigation to prevent potential lateral movement or data leakage within secure environments.

CWE-226Sensitive Information in Resource Not Removed Before Reuse (opens in a new tab)
Base weakness
The product releases a resource such as memory or a file so that it can be made available for reuse, but it does not clear or "zeroize" the information contained in the resource before the product performs a critical state transition or makes the resource available for reuse by other entities.
Architecture and Design · Implementation
During critical state transitions, information not needed in the next state should be removed or overwritten with fixed patterns (such as all 0's) or random data, before the transition to the next state.
Architecture and Design · Implementation
When releasing, de-allocating, or deleting a resource, overwrite its data and relevant metadata with fixed patterns or random data. Be cautious about complex resource types whose underlying representation might be non-contiguous or change at a low level, such as how a file might be split into different chunks on a…
OWASP ASVS 4.0.3
V8.3.6 (opens in a new tab)
V8.3.2 (opens in a new tab)
Attack patterns
Retrieve Embedded Sensitive Data (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

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Exploitation evidence

What to do

Description

AI analysisMachine-generated, updated 2 Dec 2025, 18:50 UTC

WeaknessesCWE-226

Technical details

References

Community reviews

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