CVE-2025-61833
📋 TL;DR
CVE-2025-61833 is an out-of-bounds read vulnerability in Substance3D Stager that could allow arbitrary code execution when a user opens a malicious file. Attackers could exploit this to run code with the victim's privileges. All users of Substance3D Stager versions 3.1.5 and earlier are affected.
💻 Affected Systems
- Adobe Substance3D Stager
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise via remote code execution leading to data theft, ransomware deployment, or persistent backdoor installation.
Likely Case
Limited user account compromise on the affected system, potentially leading to data exfiltration or lateral movement within the network.
If Mitigated
Application crash or denial of service if memory protections prevent successful code execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and bypassing memory protections like ASLR/DEP.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.1.6 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d_stager/apsb25-113.html
Restart Required: Yes
Instructions:
1. Open Substance3D Stager. 2. Go to Help > Check for Updates. 3. Install available updates. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file processing
allBlock processing of untrusted files by implementing application control policies
User awareness training
allTrain users to avoid opening files from untrusted sources
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of malicious payloads
- Use endpoint detection and response (EDR) to monitor for suspicious file processing behavior
🔍 How to Verify
Check if Vulnerable:
Check Substance3D Stager version in application settings or About dialogCheck Version:
Open Substance3D Stager and navigate to Help > About Substance3D StagerVerify Fix Applied:
Verify version is 3.1.6 or later after update installation📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected file processing from unusual locations
Network Indicators:
- Outbound connections from Substance3D Stager to suspicious domains
SIEM Query:
process_name:"Substance3D Stager" AND (event_type:crash OR file_path:*.sbsar OR file_path:*.sbs)