CVE-2026-0715
📋 TL;DR
This vulnerability allows attackers with physical access to Moxa industrial computers to access the bootloader menu using a device-unique password. The impact is limited because the bootloader enforces digital signature verification, preventing firmware tampering or arbitrary code execution. Only organizations using affected Moxa Arm-based industrial computers running Moxa Industrial Linux Secure are affected.
💻 Affected Systems
- Moxa Arm-based industrial computers
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Temporary denial-of-service if attacker reflashes a valid Moxa-signed image, causing device reboot and service interruption.
Likely Case
Minimal operational impact - attacker can view bootloader menu but cannot modify firmware or gain system access due to signature enforcement.
If Mitigated
No impact if physical access controls prevent unauthorized personnel from accessing serial interfaces.
🎯 Exploit Status
Exploitation requires physical access to device and knowledge of device-unique password. No privilege escalation or code execution possible due to signature verification.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: N/A
Restart Required: No
Instructions:
No software patch available. Mitigation relies on physical security controls and monitoring.
🔧 Temporary Workarounds
Physical Access Controls
allRestrict physical access to industrial computers to prevent unauthorized personnel from accessing serial interfaces.
Secure Serial Ports
allPhysically secure or disable unused serial ports, and monitor access to serial interfaces.
🧯 If You Can't Patch
- Implement strict physical security controls around industrial equipment
- Monitor physical access logs and serial port activity for unauthorized access attempts
🔍 How to Verify
Check if Vulnerable:
Check if device is a Moxa Arm-based industrial computer running Moxa Industrial Linux Secure. Review physical security controls around serial port access.Check Version:
Check device model and firmware version via Moxa management interface or consoleVerify Fix Applied:
Verify physical security measures are implemented and serial ports are secured/disabled where possible.📡 Detection & Monitoring
Log Indicators:
- Serial port access logs
- Bootloader access attempts
- Unexpected device reboots
Network Indicators:
- N/A - physical access required
SIEM Query:
Search for serial console access events or unexpected industrial device reboots in physical security logs