CVE-2025-6633
📋 TL;DR
CVE-2025-6633 is an out-of-bounds write vulnerability in Autodesk 3ds Max that allows attackers to execute arbitrary code by tricking users into opening malicious RBG files. This affects all users of vulnerable Autodesk 3ds Max versions who process untrusted RBG files. Successful exploitation could lead to complete system compromise.
💻 Affected Systems
- Autodesk 3ds Max
📦 What is this software?
3ds Max by Autodesk
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution with full privileges of the current user, potentially leading to complete system takeover, data theft, or ransomware deployment.
Likely Case
Application crash or denial of service when users open malicious RBG files, with potential for limited code execution in some scenarios.
If Mitigated
No impact if users only open trusted RBG files from verified sources and proper security controls are implemented.
🎯 Exploit Status
Exploitation requires user interaction to open malicious RBG file; no authentication bypass needed beyond file access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Autodesk advisory ADSK-SA-2025-0016 for specific patched versions
Vendor Advisory: https://www.autodesk.com/trust/security-advisories/adsk-sa-2025-0016
Restart Required: Yes
Instructions:
1. Open Autodesk Access or Autodesk Desktop App
2. Check for available updates for 3ds Max
3. Apply the latest security update
4. Restart 3ds Max after installation
🔧 Temporary Workarounds
Block RBG file extensions
windowsPrevent processing of RBG files via file extension blocking
Use application whitelisting
windowsRestrict 3ds Max to only open files from trusted directories
🧯 If You Can't Patch
- Implement strict file handling policies to only open RBG files from trusted sources
- Use network segmentation to isolate 3ds Max systems from critical assets
🔍 How to Verify
Check if Vulnerable:
Check 3ds Max version against Autodesk advisory ADSK-SA-2025-0016 for affected versionsCheck Version:
In 3ds Max: Help > About Autodesk 3ds MaxVerify Fix Applied:
Verify 3ds Max version is updated to patched version specified in Autodesk advisory📡 Detection & Monitoring
Log Indicators:
- 3ds Max crash logs with memory access violations
- Unexpected process termination events in Windows Event Logs
Network Indicators:
- Unusual outbound connections from 3ds Max process post-RBG file opening
SIEM Query:
EventID=1000 OR EventID=1001 AND ProcessName="3dsmax.exe" AND ExceptionCode=0xC0000005