CVE-2025-57836
📋 TL;DR
This vulnerability allows non-admin users on Windows systems to perform DLL hijacking during Samsung Magician installation, leading to privilege escalation. Attackers can place malicious DLLs in a temporary folder with weak permissions to execute code with elevated privileges. Users running Samsung Magician versions 6.3.0 through 8.3.2 on Windows are affected.
💻 Affected Systems
- Samsung Magician
📦 What is this software?
Magician by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise where an attacker gains administrative privileges, installs persistent malware, accesses sensitive data, and controls the entire system.
Likely Case
Local privilege escalation allowing attackers to install unauthorized software, modify system settings, or access restricted files and directories.
If Mitigated
Limited impact if proper access controls are enforced and users have minimal privileges, though the vulnerability still exists during installation.
🎯 Exploit Status
Requires local access and ability to place DLL files in the temporary installation directory during installation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 8.3.3 or later
Vendor Advisory: https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2025-57836/
Restart Required: No
Instructions:
1. Download latest Samsung Magician from official Samsung website. 2. Uninstall current version. 3. Install updated version 8.3.3 or later. 4. Verify installation completed successfully.
🔧 Temporary Workarounds
Restrict installation to administrators only
windowsEnsure only administrators can install or update Samsung Magician software
Monitor temporary folder permissions
windowsRegularly audit folder permissions in temporary directories used during software installation
icacls "C:\ProgramData\Samsung\Magician\Temp" /inheritance:r /grant:r "Administrators:(OI)(CI)F" /grant:r "SYSTEM:(OI)(CI)F"
🧯 If You Can't Patch
- Restrict user permissions to prevent non-admin users from accessing installation directories
- Implement application whitelisting to prevent execution of unauthorized DLLs
🔍 How to Verify
Check if Vulnerable:
Check Samsung Magician version in About section or via Programs and Features. If version is between 6.3.0 and 8.3.2 inclusive, system is vulnerable.Check Version:
wmic product where name="Samsung Magician" get versionVerify Fix Applied:
Verify Samsung Magician version is 8.3.3 or later. Check that temporary installation folders have proper permissions set.📡 Detection & Monitoring
Log Indicators:
- Unusual DLL loading from temporary directories during installation
- Failed privilege escalation attempts in security logs
- Multiple installation attempts from non-admin accounts
Network Indicators:
- No network indicators - this is a local privilege escalation vulnerability
SIEM Query:
EventID=4688 AND ProcessName="Magician*.exe" AND CommandLine LIKE "%temp%" AND SubjectUserName NOT IN ("SYSTEM", "Administrator")