What is the severity of CVE-2025-21128?

CVE-2025-21128 is considered a high severity vulnerability due to its potential for arbitrary code execution.

How do I fix CVE-2025-21128?

To fix CVE-2025-21128, update Adobe Substance 3D Stager to version 3.1.0 or later.

What type of vulnerability is CVE-2025-21128?

CVE-2025-21128 is a stack-based buffer overflow vulnerability.

What is required for the exploitation of CVE-2025-21128?

Exploitation of CVE-2025-21128 requires user interaction, as the victim must open a malicious file.

Which software versions are affected by CVE-2025-21128?

CVE-2025-21128 affects Adobe Substance 3D Stager versions 3.0.4 and earlier.

Vulnerability/
CVE-2025-21128

high

7.8

CWE

121 119 787

EPSS

0.104%

14/1/2025

12/2/2025

CVE-2025-21128: Substance3D - Stager | Stack-based Buffer Overflow (CWE-121)

First published: Tue Jan 14 2025(Updated: )

Substance3D - Stager versions 3.0.4 and earlier are affected by a Stack-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Credit: psirt@adobe.com

Affected Software	Affected Version	How to fix
All of
Adobe Substance 3D Stager	<3.1.0
Any of
macOS
Microsoft Windows Operating System

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Reference Links

https://helpx.adobe.com/security/products/substance3d_stager/apsb25-03.html

Frequently Asked Questions

What is the severity of CVE-2025-21128?
CVE-2025-21128 is considered a high severity vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2025-21128?
To fix CVE-2025-21128, update Adobe Substance 3D Stager to version 3.1.0 or later.
What type of vulnerability is CVE-2025-21128?
CVE-2025-21128 is a stack-based buffer overflow vulnerability.
What is required for the exploitation of CVE-2025-21128?
Exploitation of CVE-2025-21128 requires user interaction, as the victim must open a malicious file.
Which software versions are affected by CVE-2025-21128?
CVE-2025-21128 affects Adobe Substance 3D Stager versions 3.0.4 and earlier.

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