Dell Technologies has disclosed several critical vulnerabilities in its Wyse Management Suite (WMS) that could enable remote attackers to execute arbitrary code and fully compromise affected systems.
Identified under advisory DSA-2026-225, these flaws affect WMS versions prior to 5.5 HF1 and are rated from high to critical in severity, highlighting risks for enterprise environments that rely on centralised endpoint management.
Dell Wyse Management Suite Vulnerabilities
The most severe issue, tracked as CVE-2026-41120, has a CVSS score of 9.8 and is classified as an “Acceptance of Extraneous Untrusted Data With Trusted Data” vulnerability.
This flaw can be exploited remotely by low-privileged attackers without requiring user interaction, making it particularly dangerous in exposed or misconfigured deployments.
Successful exploitation could lead to full remote code execution (RCE), allowing attackers to seize control of the affected server, deploy malicious payloads, or move laterally across the network.
The vulnerability’s CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) underscores its ease of exploitation and its significant impact on confidentiality, integrity, and availability.
Another vulnerability, CVE-2026-49506, is a path traversal flaw with a CVSS score of 7.2. This issue arises from improper restrictions on pathname access to sensitive directories.
While it requires high privileges to exploit, an authenticated attacker with remote access could use it to execute arbitrary code or access sensitive files outside the intended directories.
This vulnerability shares the same high-impact characteristics across the confidentiality, integrity, and availability (CIA) triad, highlighting the importance of patching, even in environments with restricted administrative access.
Wyse Management Suite is widely used for centralized management of Dell thin clients and endpoints, making it a high-value target in enterprise and virtual desktop infrastructure (VDI) environments.
Exploiting these vulnerabilities could enable attackers to manipulate endpoint configurations, deploy malware at scale, or establish persistent access within enterprise networks. Given the WMS’s centralized role, a successful attack could have cascading effects across all managed devices.
Dell has released version 5.5 HF1 to address both vulnerabilities and strongly recommends that all customers upgrade immediately. The patched version became available on May 8, 2026, and includes fixes to prevent improper data handling and enforce stricter directory access controls.
Security teams are also urged to review access controls, limit the exposure of WMS interfaces to trusted networks, and monitor for any suspicious activity that could indicate attempts at exploitation.
Security researcher Tien Phan responsibly disclosed the vulnerabilities, and Dell has acknowledged this contribution. Organizations using Wyse Management Suite should treat this advisory with urgency, as the combination of remote exploitability and high impact makes these flaws prime candidates for real-world attacks.
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