CVE-2025-58083
📋 TL;DR
The General Industrial Controls Lynx+ Gateway has a critical authentication bypass vulnerability in its embedded web server that allows unauthenticated attackers to remotely reset the device. This affects all organizations using this industrial control system gateway. The vulnerability stems from missing authentication mechanisms for critical functions.
💻 Affected Systems
- General Industrial Controls Lynx+ Gateway
⚠️ 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 disruption of industrial operations through device reset, potentially causing production downtime, safety system failures, or process control interruptions in critical infrastructure.
Likely Case
Unauthorized device reset leading to temporary service disruption, configuration loss, and potential manipulation of industrial control processes.
If Mitigated
Limited impact if device is isolated behind multiple security layers with strict network segmentation and monitoring.
🎯 Exploit Status
Exploitation requires only network access to the device's web interface. No authentication or special tools needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-08
Restart Required: Yes
Instructions:
1. Review CISA advisory ICSA-25-317-08
2. Contact General Industrial Controls for patch availability
3. Schedule maintenance window for update
4. Apply firmware update following vendor instructions
5. Restart device to activate patch
6. Verify authentication is now required for reset function
🔧 Temporary Workarounds
Network Segmentation
allIsolate Lynx+ Gateway from untrusted networks using firewalls and VLANs
Access Control Lists
allImplement strict network ACLs to limit access to gateway management interface
🧯 If You Can't Patch
- Implement strict network segmentation to isolate device from all untrusted networks
- Deploy industrial firewall with deep packet inspection to block unauthorized reset attempts
🔍 How to Verify
Check if Vulnerable:
Attempt to access device reset function via web interface without authentication. If reset is possible without credentials, device is vulnerable.Check Version:
Check device web interface for firmware version or use vendor-specific CLI commands if availableVerify Fix Applied:
After patching, attempt to access reset function without authentication. Should receive authentication prompt or access denied.📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access to reset endpoints in web server logs
- Device reboot events without authorized user activity
- Failed authentication attempts followed by successful reset
Network Indicators:
- HTTP requests to reset endpoints without authentication headers
- Unusual traffic patterns to industrial control gateway management interface
SIEM Query:
source="lynx_gateway" AND (uri="/reset" OR uri="/admin/reset") AND NOT auth_successful=true