CVE-2025-54262
📋 TL;DR
Substance3D Stager versions 3.1.3 and earlier contain an out-of-bounds read vulnerability when parsing malicious files. This could allow an attacker to execute arbitrary code with the privileges of the current user. Users who open untrusted files with affected versions are at risk.
💻 Affected Systems
- Adobe Substance 3D Stager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise via arbitrary code execution with user privileges, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Application crash or limited information disclosure from memory reads, with potential for code execution if combined with other vulnerabilities.
If Mitigated
No impact if users don't open untrusted files or if application is patched.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.4 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_stager/apsb25-81.html
Restart Required: Yes
Instructions:
1. Open Adobe Creative Cloud application. 2. Navigate to Apps tab. 3. Find Substance 3D Stager. 4. Click Update to install version 3.1.4 or later. 5. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allConfigure application to only open trusted files from known sources.
Application sandboxing
allRun Substance 3D Stager in a sandboxed environment to limit potential damage.
🧯 If You Can't Patch
- Disable Substance 3D Stager until patching is possible.
- Implement application control to block execution of vulnerable versions.
🔍 How to Verify
Check if Vulnerable:
Check Substance 3D Stager version in application settings or About dialog.Check Version:
On Windows: Check Help > About in application. On macOS: Substance 3D Stager > About Substance 3D Stager.Verify Fix Applied:
Verify version is 3.1.4 or later after update.📡 Detection & Monitoring
Log Indicators:
- Application crashes when opening files
- Unexpected memory access errors in application logs
Network Indicators:
- File downloads from untrusted sources followed by application launch
SIEM Query:
process_name:"Substance 3D Stager.exe" AND (event_id:1000 OR event_id:1001) OR file_hash:malicious_hash