CVE-2025-59297
📋 TL;DR
Delta Electronics DIAScreen has a file parsing vulnerability that allows out-of-bounds write when processing malicious files. An attacker can exploit this to execute arbitrary code with the privileges of the current user. This affects all users of DIAScreen software who open untrusted files.
💻 Affected Systems
- Delta Electronics DIAScreen
📦 What is this software?
Diascreen by Deltaww
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through remote code execution leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation or malware execution when users open malicious files from untrusted sources.
If Mitigated
Limited impact if proper file validation and user privilege restrictions are in place.
🎯 Exploit Status
Exploitation requires user interaction to open a malicious file. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://filecenter.deltaww.com/news/download/doc/Delta-PCSA-2025-00018_DIAScreen%20File%20Parsing%20Out-Of-Bounds%20Write%20Vulnerability.pdf
Restart Required: Yes
Instructions:
1. Download the latest version from Delta Electronics official website
2. Uninstall the vulnerable version
3. Install the patched version
4. Restart the system
🔧 Temporary Workarounds
Restrict File Opening
windowsConfigure DIAScreen to only open files from trusted sources and implement file extension filtering.
User Privilege Reduction
windowsRun DIAScreen with limited user privileges to reduce impact of successful exploitation.
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of unauthorized code
- Deploy endpoint detection and response (EDR) solutions to monitor for suspicious file parsing behavior
🔍 How to Verify
Check if Vulnerable:
Check DIAScreen version against vendor advisory. If version is older than patched version, system is vulnerable.Check Version:
Check DIAScreen 'About' menu or installation directory propertiesVerify Fix Applied:
Verify DIAScreen version matches or exceeds the patched version specified in vendor advisory.📡 Detection & Monitoring
Log Indicators:
- Unusual file parsing errors in DIAScreen logs
- Process creation from DIAScreen with suspicious command lines
Network Indicators:
- Outbound connections from DIAScreen process to unknown IPs
SIEM Query:
Process Creation where Parent Process contains 'DIAScreen' AND Command Line contains suspicious patterns