CVE-2025-27694
📋 TL;DR
Dell Wyse Management Suite versions before 5.1 contain an insufficient resource pool vulnerability that allows unauthenticated remote attackers to cause denial of service. This affects organizations using Dell Wyse Management Suite for managing thin clients and endpoints. The vulnerability could disrupt management operations.
💻 Affected Systems
- Dell Wyse Management Suite
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete unavailability of Wyse Management Suite, preventing management of thin clients and endpoints across the organization.
Likely Case
Temporary service degradation or intermittent outages affecting management console availability.
If Mitigated
Minimal impact with proper network segmentation and access controls limiting exposure.
🎯 Exploit Status
No authentication required for exploitation, making this relatively easy to exploit if accessible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Wyse Management Suite 5.1 or later
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000296515/dsa-2025-135
Restart Required: Yes
Instructions:
1. Download Wyse Management Suite 5.1 or later from Dell support site. 2. Backup current configuration. 3. Run installer to upgrade. 4. Restart the Wyse Management Suite service or server.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Wyse Management Suite to trusted internal networks only.
Firewall Rules
allImplement firewall rules to block external access to Wyse Management Suite ports.
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted IPs only.
- Monitor Wyse Management Suite for unusual resource consumption or denial of service patterns.
🔍 How to Verify
Check if Vulnerable:
Check Wyse Management Suite version in administration console or via installed programs list.Check Version:
Check via Wyse Management Suite web interface or installed programs list on Windows Server.Verify Fix Applied:
Confirm version is 5.1 or higher in Wyse Management Suite console.📡 Detection & Monitoring
Log Indicators:
- Unusual resource exhaustion patterns
- Multiple connection attempts from single sources
- Service restart events
Network Indicators:
- High volume of connections to Wyse Management Suite ports
- Traffic from unexpected sources
SIEM Query:
source="wms" AND (event="resource_exhaustion" OR event="connection_flood")