CVE-2025-7284
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code by tricking users into opening malicious DWG files with IrfanView's CADImage plugin. The memory corruption flaw occurs during DWG file parsing due to improper input validation. Users of IrfanView with the vulnerable CADImage plugin are affected.
💻 Affected Systems
- IrfanView CADImage Plugin
📦 What is this software?
Cadimage by Cadsofttools
Cadimage by Cadsofttools
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining the same privileges as the user running IrfanView, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Malware installation or data exfiltration when users open malicious DWG files from untrusted sources.
If Mitigated
Limited impact with proper application whitelisting and user training preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction to open malicious DWG file. No public exploit code available at time of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check IrfanView website for latest CADImage plugin update
Vendor Advisory: https://www.irfanview.com/
Restart Required: No
Instructions:
1. Visit IrfanView official website. 2. Download latest version of CADImage plugin. 3. Install update. 4. Verify plugin version is patched.
🔧 Temporary Workarounds
Disable CADImage Plugin
windowsRemove or disable the vulnerable CADImage plugin from IrfanView
Navigate to IrfanView plugins folder and remove CADImage.dll or rename to disable
File Association Removal
windowsRemove DWG file association with IrfanView
Control Panel > Default Programs > Set Associations > Remove .dwg from IrfanView
🧯 If You Can't Patch
- Implement application whitelisting to block IrfanView execution
- Use email/web filtering to block DWG attachments and educate users about file risks
🔍 How to Verify
Check if Vulnerable:
Check IrfanView > Help > About Plugins for CADImage plugin versionCheck Version:
Not applicable - check via IrfanView GUIVerify Fix Applied:
Verify CADImage plugin version matches latest patched version from vendor📡 Detection & Monitoring
Log Indicators:
- IrfanView process crashes when opening DWG files
- Unusual child processes spawned from IrfanView
Network Indicators:
- Outbound connections from IrfanView process to unknown IPs
SIEM Query:
Process Creation where ParentImage contains 'i_view' and CommandLine contains '.dwg'