CVE-2025-15111
📋 TL;DR
Ksenia Security Lares 4.0 Home Automation version 1.6 contains hardcoded default administrative credentials. Attackers can use these weak default credentials to gain full administrative control of the home automation system. All users running the vulnerable version are affected unless they have changed the default credentials.
💻 Affected Systems
- Ksenia Security Lares 4.0 Home Automation
📦 What is this software?
Lares Firmware by Kseniasecurity
⚠️ Risk & Real-World Impact
Worst Case
Attackers gain full administrative control, allowing them to manipulate home automation devices (lights, locks, cameras, thermostats), disable security systems, access sensitive data, or use the system as an entry point to other network resources.
Likely Case
Unauthorized users gain administrative access to the home automation system, potentially compromising privacy, safety, and control of connected devices.
If Mitigated
If default credentials are changed, the vulnerability is effectively neutralized, though other security measures should still be implemented.
🎯 Exploit Status
Exploitation requires only knowledge of default credentials and network access to the system. No technical exploitation skills needed beyond basic login attempts.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not available
Vendor Advisory: https://www.kseniasecurity.com/
Restart Required: No
Instructions:
1. Log into the Lares 4.0 administrative interface
2. Navigate to user/administrator settings
3. Change the default administrative password to a strong, unique password
4. Ensure no other accounts use default credentials
🔧 Temporary Workarounds
Change Default Credentials
allImmediately change the default administrative password to a strong, unique password
Network Segmentation
allIsolate the home automation system from internet access and restrict internal network access
🧯 If You Can't Patch
- Change all default credentials immediately
- Isolate the system from network access until credentials can be changed
🔍 How to Verify
Check if Vulnerable:
Attempt to log into the Lares 4.0 administrative interface using default credentials (check vendor documentation or vulnerability reports for specific credentials)
Check Version:
Check system information in Lares 4.0 administrative interface or device labeling
Verify Fix Applied:
Attempt to log in with default credentials - should fail. Verify you can log in with new credentials only.
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful login
- Administrative login from unexpected IP addresses
- Configuration changes from unknown users
Network Indicators:
- Unauthorized administrative access to Lares 4.0 management interface
- Suspicious traffic patterns to/from home automation controller
SIEM Query:
source_ip="*" AND destination_port="[Lares management port]" AND event_type="authentication_success" AND user="admin"
🔗 References
- https://packetstorm.news/files/id/190180/
- https://www.kseniasecurity.com/
- https://www.vulncheck.com/advisories/ksenia-security-lares-home-automation-default-credentials-vulnerability
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2025-5927.php
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2025-5927.php