Dell Wyse Vulnerabilities Allow CVSS 9.8 Code Execution

TL;DR

Dell released urgent security updates for its thin client management platform. Two critical Dell Wyse vulnerabilities allow attackers to execute arbitrary code. Network administrators must apply the latest hotfix immediately to secure their infrastructure.

Why it matters

The Dell Wyse Management Suite controls fleet configurations for thousands of enterprise endpoints. A successful breach grants hackers deep administrative access across the entire network. The most severe flaw carries a critical CVSS 9.8 rating. This means attackers can compromise the server remotely without any authentication credentials. The second flaw carries a CVSS 7.2 rating. The vendor has not confirmed active exploitation in the wild. Additionally, researchers have not published any public proof-of-concept exploits.

How the attack works

The security advisory details two separate remote code execution paths. First, CVE-2026-41120 involves the dangerous acceptance of extraneous untrusted data. An attacker sends crafted network requests directly to the server. The system processes this untrusted input alongside trusted configuration data. This flaw allows unauthenticated users to run malicious shell commands.

Second, CVE-2026-49506 acts as a severe path traversal defect. A high-privileged attacker sends malformed file paths to the management console. The application fails to restrict these paths to the intended safe directory. Consequently, the attacker escapes the restricted folder. They access sensitive server locations and achieve remote code execution.

Affected versions

These security defects directly impact older versions of the management platform. Specifically, the flaws affect all Dell Wyse Management Suite versions prior to WMS 5.5 HF1.

Patch or mitigation steps

System administrators must update their management servers immediately. Dell strongly recommends upgrading to WMS version 5.5 HF1. You can find specific download instructions in the official Dell security advisory. Installing this exact update removes both remote code execution threats completely.

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Written by

@DdoS · Security Researcher

Do Son

Do Son is the Founder and Editor of SecurityOnline.info. Working in cybersecurity since 2013, he reports on vulnerabilities, malware, and emerging threats, providing timely analysis to help organizations and individuals stay ahead of evolving risks.