CVE-2025-1907
📋 TL;DR
Instantel Micromate devices have an unauthenticated configuration port that allows attackers to execute arbitrary commands if they can connect to it. This affects all Instantel Micromate devices with the vulnerable configuration exposed. Organizations using these devices for industrial monitoring or environmental sensing are at risk.
💻 Affected Systems
- Instantel Micromate
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of the Micromate device allowing attackers to execute arbitrary commands, modify configurations, disrupt monitoring operations, or pivot to connected industrial control systems.
Likely Case
Unauthorized configuration changes, data manipulation, or service disruption of the monitoring device.
If Mitigated
Limited impact if network segmentation prevents access to the configuration port from untrusted networks.
🎯 Exploit Status
Exploitation requires network access to the configuration port but no authentication or special tools.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Contact Instantel technical support for specific patch information
Vendor Advisory: https://www.instantel.com/service-and-support/contact-technical-support
Restart Required: Yes
Instructions:
1. Contact Instantel technical support for patch availability
2. Apply the provided firmware update
3. Restart the Micromate device
4. Verify authentication is now required on configuration port
🔧 Temporary Workarounds
Network Segmentation
allIsolate Micromate devices on separate VLANs with strict firewall rules
Access Control Lists
allImplement ACLs to restrict access to the configuration port to authorized management systems only
🧯 If You Can't Patch
- Implement strict network segmentation to isolate Micromate devices from untrusted networks
- Deploy network monitoring and intrusion detection for unauthorized access attempts to the configuration port
🔍 How to Verify
Check if Vulnerable:
Attempt to connect to the Micromate configuration port (typically TCP 23 or specific service port) without credentials - if connection succeeds and allows command execution, device is vulnerableCheck Version:
Check device firmware version through web interface or serial console (specific command varies by model)Verify Fix Applied:
After patching, attempt to connect to configuration port without credentials - connection should be rejected or require authentication📡 Detection & Monitoring
Log Indicators:
- Unauthorized connection attempts to configuration port
- Unexpected configuration changes
- Failed authentication attempts if logging enabled
Network Indicators:
- Unusual traffic to Micromate configuration ports from unauthorized sources
- Command execution patterns in network traffic
SIEM Query:
source_ip=* AND destination_port=23 AND device_type="Instantel Micromate"