CVE-2023-37214
📋 TL;DR
CVE-2023-37214 is a command injection vulnerability in Heights Telecom ERO1xS-Pro Dual-Band firmware that allows attackers to execute arbitrary commands on affected devices. This affects all systems running the vulnerable firmware version. Attackers can potentially take full control of the device.
💻 Affected Systems
- Heights Telecom ERO1xS-Pro Dual-Band
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise leading to network infiltration, data exfiltration, and use as a pivot point for further attacks
Likely Case
Remote code execution allowing attackers to modify device configuration, intercept traffic, or deploy malware
If Mitigated
Limited impact if network segmentation and strict access controls prevent external access
🎯 Exploit Status
CWE-77 indicates improper neutralization of special elements used in a command, suggesting straightforward exploitation
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.gov.il/en/Departments/faq/cve_advisories
Restart Required: Yes
Instructions:
1. Check vendor advisory for patch availability. 2. If patch exists, download from vendor. 3. Apply firmware update via device management interface. 4. Reboot device.
🔧 Temporary Workarounds
Network Isolation
allIsolate affected devices from untrusted networks and internet
Access Control
allRestrict network access to management interfaces using firewall rules
🧯 If You Can't Patch
- Remove devices from internet-facing positions immediately
- Implement strict network segmentation and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check firmware version in device web interface or via SSH: show versionCheck Version:
show version or check web interface system informationVerify Fix Applied:
Verify firmware version has been updated from BZ_ERO1XP.025📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- Unexpected configuration changes
- Failed authentication attempts to management interfaces
Network Indicators:
- Unusual outbound connections from device
- Traffic to unexpected destinations
- Port scanning originating from device
SIEM Query:
source="device_logs" AND (command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*")