CVE-2025-49573: Out-of-Bounds Write Vulnerability in Substance3D-Modeler

Overview

Cybersecurity threats are a constant pain point for digital businesses, and the latest vulnerability, CVE-2025-49573, in Substance3D-Modeler is no exception. This vulnerability impacts versions 1.22.0 and earlier of the Substance3D-Modeler software, a widely used modeling tool in the digital content creation industry. This issue is of significant concern due to its potential to allow arbitrary code execution, leading to serious system compromise or data leakage.
The vulnerability’s severity is elevated by the fact that it demands user interaction, a common behavior in today’s collaborative digital landscape. This means an unsuspecting user opening an infected file could inadvertently trigger the exploit, potentially causing widespread damage to the system environment. In the context of an organization, this could lead to significant data breaches, financial loss, and harm to the company’s reputation.

Vulnerability Summary

CVE ID: CVE-2025-49573
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: User
User Interaction: Required
Impact: Potential system compromise and data leakage

Affected Products

Product | Affected Versions

Substance3D-Modeler | 1.22.0 and earlier

How the Exploit Works

This exploit takes advantage of an out-of-bounds write vulnerability, a common memory corruption flaw. In simple terms, it allows data to be written into memory beyond the allocated buffer, potentially overwriting other critical data or executable code.
In the context of CVE-2025-49573, a malicious actor can craft a file that, when opened in Substance3D-Modeler, triggers this memory corruption, leading to arbitrary code execution. This essentially means that the attacker can execute any command they want, in the context of the user running the software, leading to the potential system compromise or data leakage.

Conceptual Example Code

Here’s a conceptual example of how this vulnerability might be exploited:

# Crafting a malicious file
echo "malicious_payload" > malicious_file.s3d
# The malicious payload triggers the out-of-bounds write when the file is opened
./substance3d_modeler malicious_file.s3d

In this example, `malicious_payload` would be replaced by the actual malicious code crafted by the attacker. When an unsuspecting user opens this `malicious_file.s3d` in Substance3D-Modeler, the arbitrary code would be executed, leading to the potential security compromise.
Please note, this example is purely conceptual and does not represent an actual exploit. It is only intended to illustrate the potential danger of the vulnerability.