CVE-2017-5162
📋 TL;DR
CVE-2017-5162 is a critical authentication bypass vulnerability in BINOM3 Universal Multifunctional Electric Power Quality Meters that allows unauthenticated attackers to access and modify device configuration settings. This affects industrial control systems using these power meters without proper network segmentation. Attackers can remotely reconfigure critical power monitoring equipment without credentials.
💻 Affected Systems
- BINOM3 Universal Multifunctional Electric Power Quality Meter
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of power monitoring infrastructure allowing attackers to manipulate power readings, disrupt electrical systems, or cause physical damage through misconfiguration of sensitive industrial equipment.
Likely Case
Unauthorized access to device configuration leading to altered power quality measurements, false alarms, or disruption of monitoring capabilities in industrial environments.
If Mitigated
Limited impact with proper network segmentation and access controls preventing external access to the vulnerable service.
🎯 Exploit Status
Exploitation requires network access to the device's management interface. No authentication needed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware updates from vendor
Vendor Advisory: https://ics-cert.us-cert.gov/advisories/ICSA-17-031-01A
Restart Required: Yes
Instructions:
1. Contact BINOM3 vendor for firmware updates. 2. Apply firmware patch following vendor instructions. 3. Restart device to activate new firmware. 4. Verify authentication is now required for remote access.
🔧 Temporary Workarounds
Network Segmentation
allIsolate BINOM3 meters on separate VLAN with strict firewall rules
Access Control Lists
allImplement IP-based restrictions to limit access to management interface
🧯 If You Can't Patch
- Physically disconnect from networks or use air-gapped configuration
- Implement strict network monitoring and alerting for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Attempt to access device configuration interface without authentication via network scan on default portsCheck Version:
Check device firmware version through vendor-specific interface or serial consoleVerify Fix Applied:
Verify authentication prompt appears when accessing management interface and unauthorized access is blocked📡 Detection & Monitoring
Log Indicators:
- Unauthenticated access attempts to management interface
- Configuration changes without authentication logs
Network Indicators:
- Unusual traffic to device management ports from unauthorized sources
- Configuration protocol traffic without preceding authentication
SIEM Query:
source_ip=* AND dest_port=(management_port) AND NOT auth_success=true