CVE-2025-6377
📋 TL;DR
A buffer overflow vulnerability in Rockwell Automation Arena allows remote code execution when a user opens a malicious DOE file. This affects Arena Simulation software users, requiring user interaction to trigger exploitation. Attackers could gain control of affected systems.
💻 Affected Systems
- Rockwell Automation Arena Simulation Software
📦 What is this software?
Arena by Rockwellautomation
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with administrator privileges leading to complete control of the target system, data theft, and lateral movement within the network.
Likely Case
Local user account compromise on the workstation where Arena runs, potentially leading to data exfiltration and further malware deployment.
If Mitigated
Limited impact with proper user training and file validation controls preventing malicious file execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of buffer overflow techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Rockwell advisory SD1729 for specific patched versions
Vendor Advisory: https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1729.html
Restart Required: Yes
Instructions:
1. Review Rockwell advisory SD1729. 2. Download and install the latest Arena update from Rockwell's official portal. 3. Restart the system after installation. 4. Verify the update was successful.
🔧 Temporary Workarounds
Restrict DOE file execution
windowsBlock execution of untrusted DOE files via application whitelisting or file extension restrictions
Run with least privilege
windowsEnsure Arena runs with standard user privileges instead of administrator rights
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of unauthorized DOE files
- Train users to avoid opening DOE files from untrusted sources and enable macro/file validation warnings
🔍 How to Verify
Check if Vulnerable:
Check Arena version against patched versions listed in Rockwell advisory SD1729Check Version:
Check Help > About in Arena application or review installed programs in Windows Control PanelVerify Fix Applied:
Confirm installed Arena version matches or exceeds the patched version from the vendor advisory📡 Detection & Monitoring
Log Indicators:
- Unusual process creation from Arena.exe
- Failed file validation errors in application logs
- Unexpected network connections from Arena process
Network Indicators:
- Outbound connections from Arena to unknown external IPs
- Unusual DNS queries from Arena workstation
SIEM Query:
Process creation where parent_process contains 'arena.exe' AND (command_line contains '.doe' OR image contains suspicious paths)