CVE-2025-66589
📋 TL;DR
An out-of-bounds read vulnerability in AzeoTech DAQFactory allows attackers to read memory beyond allocated buffers, potentially exposing sensitive information or causing program crashes. This affects DAQFactory 20.7 (Build 2555) users, particularly in industrial control systems where this software is used for data acquisition and control.
💻 Affected Systems
- AzeoTech DAQFactory
📦 What is this software?
Daqfactory by Azeotech
⚠️ Risk & Real-World Impact
Worst Case
Information disclosure of sensitive system memory contents, potentially including credentials, configuration data, or proprietary information, followed by system crash disrupting industrial operations.
Likely Case
Program instability leading to crashes and service disruption in industrial control environments, with potential for limited information leakage.
If Mitigated
Controlled crash without data leakage if proper memory protections are in place, but still causing service disruption.
🎯 Exploit Status
Out-of-bounds read vulnerabilities typically require some knowledge of memory layout but can be exploited by sending specially crafted data to the application.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Later builds of DAQFactory 20.7 or newer versions
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-345-03
Restart Required: Yes
Instructions:
1. Contact AzeoTech for updated version. 2. Download and install the patched version. 3. Restart DAQFactory services. 4. Verify the new version is running.
🔧 Temporary Workarounds
Network Segmentation
allIsolate DAQFactory systems from untrusted networks and users
Access Control Restrictions
allLimit user access to DAQFactory systems to authorized personnel only
🧯 If You Can't Patch
- Implement strict network segmentation to isolate DAQFactory systems
- Monitor system logs for abnormal behavior or crashes and implement compensating controls
🔍 How to Verify
Check if Vulnerable:
Check DAQFactory version in Help > About menu. If it shows 20.7 Build 2555, the system is vulnerable.Check Version:
Check via DAQFactory GUI: Help > About menuVerify Fix Applied:
After updating, verify the version in Help > About shows a version other than 20.7 Build 2555.📡 Detection & Monitoring
Log Indicators:
- Unexpected DAQFactory crashes
- Memory access violation errors in application logs
- Abnormal termination of DAQFactory processes
Network Indicators:
- Unusual network traffic patterns to DAQFactory ports
- Multiple connection attempts to DAQFactory services
SIEM Query:
EventID: 1000 OR EventID: 1001 (Application crashes) AND ProcessName: "daqfactory.exe"