CVE-2025-36574
📋 TL;DR
Dell Wyse Management Suite versions before 5.2 contain an absolute path traversal vulnerability that allows unauthenticated remote attackers to access files outside intended directories. This can lead to information disclosure and unauthorized access to sensitive system files. Organizations using Dell Wyse Management Suite for thin client management are affected.
💻 Affected Systems
- Dell Wyse Management Suite
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise through access to sensitive configuration files, credentials, or system files leading to lateral movement across the network.
Likely Case
Information disclosure of sensitive configuration data, user credentials, or proprietary information stored in accessible directories.
If Mitigated
Limited impact due to network segmentation, proper access controls, and monitoring that detects traversal attempts.
🎯 Exploit Status
Path traversal vulnerabilities typically have low exploitation complexity, especially with unauthenticated access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: WMS 5.2 or later
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000325679/dsa-2025-226
Restart Required: Yes
Instructions:
1. Download Dell Wyse Management Suite version 5.2 or later from Dell Support. 2. Backup current configuration and data. 3. Run the installer to upgrade. 4. Restart the Wyse Management Suite service or server as required.
🔧 Temporary Workarounds
Network Access Restriction
windowsRestrict network access to Wyse Management Suite to only trusted IP addresses or internal networks
Use firewall rules to limit access: netsh advfirewall firewall add rule name="Restrict WMS" dir=in action=allow protocol=TCP localport=8443 remoteip=192.168.1.0/24
Web Application Firewall
allDeploy WAF rules to block path traversal patterns in HTTP requests
🧯 If You Can't Patch
- Isolate the Wyse Management Suite server in a segmented network with strict access controls
- Implement comprehensive monitoring and alerting for any file access attempts outside normal patterns
🔍 How to Verify
Check if Vulnerable:
Check the Wyse Management Suite version in the web interface under Help > About, or check installed programs in Windows Control PanelCheck Version:
In Windows: wmic product where "name like 'Dell Wyse Management Suite%'" get versionVerify Fix Applied:
Verify version is 5.2 or later in the web interface, and test that path traversal attempts are properly blocked📡 Detection & Monitoring
Log Indicators:
- HTTP requests containing '../' or '..\' patterns in URLs
- Access to files outside expected directories in web server logs
- Unauthenticated requests to sensitive file paths
Network Indicators:
- Unusual file access patterns to the Wyse Management Suite web interface
- Multiple failed traversal attempts from single sources
SIEM Query:
source="*wms*" AND (url="*../*" OR url="*..\\*" OR status=403 OR status=404) AND NOT user_agent="*bot*"