CVE-2025-27692
📋 TL;DR
Dell Wyse Management Suite versions before 5.1 have a vulnerability where high-privileged attackers with remote access can upload dangerous file types without restrictions. This could lead to denial of service, information disclosure, or remote code execution. Organizations using affected versions of this management software are at risk.
💻 Affected Systems
- Dell Wyse Management Suite
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, and persistent backdoor installation.
Likely Case
Denial of service through file system exhaustion or information disclosure via uploaded malicious files.
If Mitigated
Limited impact due to network segmentation and strict access controls preventing attacker access.
🎯 Exploit Status
Exploitation requires authenticated high-privilege access but involves simple file upload manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: WMS 5.1 or later
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000296515/dsa-2025-135
Restart Required: Yes
Instructions:
1. Download WMS 5.1 or later from Dell support site. 2. Backup current configuration. 3. Run installer with administrative privileges. 4. Restart the Wyse Management Suite service.
🔧 Temporary Workarounds
Restrict File Upload Types
allConfigure web application firewall or server settings to block upload of executable file types.
Network Segmentation
allIsolate Wyse Management Suite from general network access and restrict to management VLAN only.
🧯 If You Can't Patch
- Implement strict access controls to limit who can access the management interface
- Deploy web application firewall with file upload filtering rules
🔍 How to Verify
Check if Vulnerable:
Check Wyse Management Suite version in administration console under Help > About.Check Version:
Not applicable - check via web interfaceVerify Fix Applied:
Confirm version shows 5.1 or higher after update and test file upload functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual file uploads to management interface
- Large or suspicious file upload attempts
- Failed file type validation events
Network Indicators:
- HTTP POST requests with file uploads to management endpoints
- Unusual traffic patterns to /upload or similar paths
SIEM Query:
source="wms_logs" AND (event="file_upload" OR uri_path="/upload") AND file_extension IN ("exe", "bat", "ps1", "sh")