CVE-2025-66590
📋 TL;DR
This critical vulnerability in AzeoTech DAQFactory allows attackers to write data beyond allocated memory boundaries, potentially leading to arbitrary code execution or system crashes. All users running DAQFactory release 20.7 (Build 2555) are affected by this out-of-bounds write flaw.
💻 Affected Systems
- AzeoTech DAQFactory
📦 What is this software?
Daqfactory by Azeotech
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining complete control over the DAQFactory system, potentially leading to data theft, manipulation of industrial processes, or lateral movement within operational technology networks.
Likely Case
System crashes and denial of service affecting data acquisition and control functions, potentially disrupting industrial operations and causing production downtime.
If Mitigated
Limited impact with proper network segmentation and access controls preventing exploitation attempts from reaching vulnerable systems.
🎯 Exploit Status
The CVSS score of 9.8 indicates critical severity with low attack complexity and no authentication required for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Later versions than 20.7 (Build 2555)
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03
Restart Required: Yes
Instructions:
1. Download the latest DAQFactory version from AzeoTech's official website. 2. Backup current configuration and data. 3. Uninstall vulnerable version. 4. Install updated version. 5. Restart the system. 6. Verify functionality.
🔧 Temporary Workarounds
Network Segmentation
allIsolate DAQFactory systems from untrusted networks and implement strict firewall rules
Access Control Hardening
allRestrict user permissions and implement least privilege access to DAQFactory systems
🧯 If You Can't Patch
- Implement strict network segmentation to isolate vulnerable systems from production networks
- Deploy intrusion detection systems and monitor for exploitation attempts
🔍 How to Verify
Check if Vulnerable:
Check DAQFactory version in Help > About menu. If version is 20.7 (Build 2555), the system is vulnerable.Check Version:
Check Help > About menu in DAQFactory applicationVerify Fix Applied:
Verify installed version is newer than 20.7 (Build 2555) and test application functionality.📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes
- Memory access violation errors in system logs
- Unusual process behavior
Network Indicators:
- Unusual network traffic to DAQFactory ports
- Connection attempts from unexpected sources
SIEM Query:
source="daqfactory.logs" AND (event_type="crash" OR error_message="memory" OR error_message="access")