CVE-2025-54454
📋 TL;DR
This vulnerability allows attackers to bypass authentication in Samsung MagicINFO 9 Server by exploiting hard-coded credentials. It affects all MagicINFO 9 Server installations running versions below 21.1080.0, potentially giving unauthorized access to the system.
💻 Affected Systems
- Samsung MagicINFO 9 Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise allowing attackers to take full control of the MagicINFO server, deploy ransomware, access sensitive data, or pivot to other network systems.
Likely Case
Unauthorized access to the MagicINFO administration interface leading to configuration changes, content manipulation, or data exfiltration.
If Mitigated
Limited impact if system is isolated behind strong network segmentation and access controls, though authentication bypass remains possible.
🎯 Exploit Status
Authentication bypass vulnerabilities with hard-coded credentials are typically trivial to exploit once the credentials are discovered or leaked.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 21.1080.0 or later
Vendor Advisory: https://security.samsungtv.com/securityUpdates
Restart Required: Yes
Instructions:
1. Download MagicINFO 9 Server version 21.1080.0 or later from Samsung's official website. 2. Backup current configuration and data. 3. Run the installer to upgrade. 4. Restart the server. 5. Verify the update was successful.
🔧 Temporary Workarounds
Network Isolation
allRestrict network access to the MagicINFO server to only trusted IP addresses or networks.
Firewall Rules
allImplement strict firewall rules to block external access to MagicINFO administration ports.
🧯 If You Can't Patch
- Implement network segmentation to isolate the MagicINFO server from untrusted networks
- Deploy additional authentication layers such as VPN or reverse proxy with strong authentication
🔍 How to Verify
Check if Vulnerable:
Check the MagicINFO Server version in the administration interface or installation directory. If version is below 21.1080.0, the system is vulnerable.Check Version:
Check the version in MagicINFO Server administration panel or installation directory propertiesVerify Fix Applied:
After patching, verify the version shows 21.1080.0 or higher in the administration interface.📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts followed by successful login with unusual timing
- Administrative actions from unexpected IP addresses
- Configuration changes without proper audit trail
Network Indicators:
- Unusual traffic patterns to MagicINFO administration ports
- Connection attempts from external IP addresses to internal MagicINFO server
SIEM Query:
source="magicinfo_logs" AND (event_type="login_success" AND NOT src_ip IN [trusted_ips]) OR (event_type="config_change" AND user="unknown")