CVE-2026-22765
📋 TL;DR
Dell Wyse Management Suite versions before 5.5 have a missing authorization vulnerability that allows low-privileged remote attackers to elevate their privileges. This affects organizations using Dell Wyse Management Suite for thin client management.
💻 Affected Systems
- Dell Wyse Management Suite
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Attacker gains administrative control over the Wyse Management Suite, potentially compromising all managed thin clients and accessing sensitive organizational data.
Likely Case
Attacker gains unauthorized access to management functions, modifies thin client configurations, or deploys malicious software to managed devices.
If Mitigated
Limited impact due to network segmentation and proper access controls preventing unauthorized access to management interfaces.
🎯 Exploit Status
Requires low-privileged remote access but exploitation is straightforward once access is obtained.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Wyse Management Suite 5.5 or later
Vendor Advisory: https://www.dell.com/support/kbdoc/en-us/000429141/dsa-2026-103
Restart Required: Yes
Instructions:
1. Download Wyse Management Suite 5.5 or later from Dell Support. 2. Backup current configuration. 3. Install the update following Dell's upgrade documentation. 4. Restart the Wyse Management Suite services.
🔧 Temporary Workarounds
Network Segmentation
allRestrict access to Wyse Management Suite to only authorized administrative networks
Access Control Hardening
allImplement strict role-based access controls and monitor for privilege escalation attempts
🧯 If You Can't Patch
- Isolate Wyse Management Suite servers from general network access using firewall rules
- Implement multi-factor authentication and monitor all administrative access attempts
🔍 How to Verify
Check if Vulnerable:
Check Wyse Management Suite version in the web interface under Help > About or via the server consoleCheck Version:
On Windows Server: Check installed programs list or run 'wmic product get name,version'Verify Fix Applied:
Confirm version is 5.5 or higher and test that low-privileged users cannot access administrative functions📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to administrative endpoints
- Privilege escalation events in application logs
- Configuration changes by non-admin users
Network Indicators:
- Unusual traffic patterns to Wyse Management Suite administrative ports
- Authentication bypass attempts
SIEM Query:
source="wms_logs" AND (event_type="privilege_escalation" OR user_role_change OR unauthorized_admin_access)