CVE-2025-54245
📋 TL;DR
Substance3D Viewer versions 0.25.1 and earlier contain an out-of-bounds write vulnerability that could allow arbitrary code execution when a user opens a malicious file. This affects users of Adobe's Substance3D Viewer software who open untrusted 3D files. Successful exploitation requires user interaction but runs code with the victim's privileges.
💻 Affected Systems
- Adobe Substance3D Viewer
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the victim's computer, data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Malware installation leading to data exfiltration, credential theft, or system disruption when users open malicious 3D files from untrusted sources.
If Mitigated
No impact if users only open trusted files from verified sources and the application is properly sandboxed or restricted.
🎯 Exploit Status
Exploitation requires user interaction (opening a malicious file). The vulnerability is in memory corruption that could lead to arbitrary code execution.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.25.2 or later
Vendor Advisory: https://helpx.adobe.com/security/products/substance3d-viewer/apsb25-89.html
Restart Required: Yes
Instructions:
1. Open Substance3D Viewer. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 0.25.2 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allConfigure application or system policies to prevent opening untrusted 3D files
Application sandboxing
allRun Substance3D Viewer in a sandboxed environment to limit potential damage
🧯 If You Can't Patch
- Discontinue use of Substance3D Viewer until patched
- Use alternative 3D viewing software for untrusted files
🔍 How to Verify
Check if Vulnerable:
Check Help > About in Substance3D Viewer and verify version is 0.25.1 or earlierCheck Version:
Not applicable - check via application GUIVerify Fix Applied:
Confirm version is 0.25.2 or later in Help > About📡 Detection & Monitoring
Log Indicators:
- Application crashes when opening 3D files
- Unexpected process creation from Substance3D Viewer
Network Indicators:
- Outbound connections from Substance3D Viewer to unexpected destinations
SIEM Query:
process_name:"Substance3D Viewer" AND (event_type:crash OR parent_process:unexpected)