CVE-2025-12364
📋 TL;DR
CVE-2025-12364 is a weak password policy vulnerability affecting BLU-IC2 and BLU-IC4 devices. This allows attackers to easily guess or brute-force passwords due to insufficient complexity requirements. All users of affected versions are vulnerable to unauthorized access.
💻 Affected Systems
- BLU-IC2
- BLU-IC4
📦 What is this software?
Blu Ic2 Firmware by Azure Access
Blu Ic4 Firmware by Azure Access
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to gain administrative access, steal sensitive data, deploy ransomware, or pivot to other network systems.
Likely Case
Unauthorized access to device management interfaces leading to configuration changes, data exfiltration, or denial of service.
If Mitigated
Limited impact with strong network segmentation and monitoring, though weak passwords remain a risk factor.
🎯 Exploit Status
Exploitation requires authentication attempts but is trivial with password guessing tools. No special tools needed beyond standard brute-force utilities.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Versions after 1.19.5
Vendor Advisory: https://azure-access.com/security-advisories
Restart Required: Yes
Instructions:
1. Download latest firmware from vendor portal. 2. Backup current configuration. 3. Apply firmware update via web interface or CLI. 4. Reboot device. 5. Verify version is >1.19.5.
🔧 Temporary Workarounds
Enforce Strong Password Policy
allManually enforce complex passwords (12+ chars, mixed case, numbers, symbols) for all accounts.
Enable Account Lockout
allConfigure account lockout after failed login attempts to prevent brute-force attacks.
🧯 If You Can't Patch
- Implement network segmentation to isolate affected devices from critical systems
- Deploy multi-factor authentication if supported, or use VPN/jump hosts for access
🔍 How to Verify
Check if Vulnerable:
Check device firmware version via web interface or CLI. If version is 1.19.5 or earlier, device is vulnerable.Check Version:
show version (CLI) or check System Information in web interfaceVerify Fix Applied:
Verify firmware version is greater than 1.19.5 and test that password policy enforces complexity requirements.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts from single IP
- Successful logins from unusual locations/times
- Password change events
Network Indicators:
- Brute-force patterns to management ports (SSH, HTTP/HTTPS)
- Unexpected outbound connections after login
SIEM Query:
source="blu-ic*" AND (event_type="auth_failure" count>10 within 5min OR event_type="auth_success" from new_ip)