CVE-2025-54446
📋 TL;DR
This path traversal vulnerability in Samsung MagicINFO 9 Server allows attackers to upload malicious web shell files to restricted directories. Successful exploitation enables remote code execution on affected servers. All MagicINFO 9 Server installations below version 21.1080.0 are vulnerable.
💻 Affected Systems
- Samsung MagicINFO 9 Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with persistent backdoor installation, data exfiltration, and lateral movement within the network.
Likely Case
Web shell deployment leading to unauthorized system access, data manipulation, and potential ransomware deployment.
If Mitigated
Limited impact with proper network segmentation and file integrity monitoring detecting unauthorized file uploads.
🎯 Exploit Status
Path traversal vulnerabilities are commonly weaponized. The high CVSS score suggests trivial exploitation.
🛠️ 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 portal. 2. Backup current configuration and data. 3. Run the installer to upgrade. 4. Restart the server and verify functionality.
🔧 Temporary Workarounds
Network Access Restriction
windowsRestrict network access to MagicINFO server using firewall rules
# Example Windows Firewall rule: New-NetFirewallRule -DisplayName "Block MagicINFO External" -Direction Inbound -LocalPort 80,443 -Protocol TCP -Action Block
File Upload Directory Hardening
windowsSet strict permissions on web upload directories
icacls "C:\Program Files\MagicINFO\web\uploads" /deny Everyone:(OI)(CI)(W)
# Adjust path based on actual installation
🧯 If You Can't Patch
- Implement strict network segmentation to isolate MagicINFO servers from critical systems
- Deploy web application firewall (WAF) with path traversal protection rules
🔍 How to Verify
Check if Vulnerable:
Check MagicINFO Server version in administration console or via 'About' section in web interfaceCheck Version:
Check via MagicINFO web interface at http://[server-ip]/admin or review installed programs in WindowsVerify Fix Applied:
Confirm version is 21.1080.0 or higher and test file upload functionality with traversal attempts📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to web directories
- HTTP requests containing '../' sequences
- New executable files in web directories
Network Indicators:
- HTTP POST requests with path traversal patterns to upload endpoints
- Unexpected outbound connections from MagicINFO server
SIEM Query:
source="magicinfo_logs" AND ("../" OR "..\\" OR "%2e%2e%2f")