External risk intelligence

Dell Wyse Management Suite Acceptance of Extraneous Untrusted Data Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2026-41120

Dell Wyse Management Suite is a centralized management console often deployed as a web application. Because it is designed for remote administration, it is frequently reachable via network interfaces, making it potentially accessible to attackers within corporate environments or through external-facing configurations.

Remote Code Execution

Dell Wyse Management Suite

before 5.55.5

Halo Surface Signal: 4 out of 5 — likely to be public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical vulnerability has been identified in Dell Wyse Management Suite, a tool used for centralized management of Dell devices. This issue could allow an unauthorized attacker with remote access to execute code on affected systems, potentially impacting operations and data.

  • Unchecked data input can lead to remote code execution.
  • Centralized management tool with potential for broad impact.
  • Verify relevance and exposure of management suite.

Attack Path

How an attacker could exploit the issue

An attacker could leverage Dell Wyse Management Suite's acceptance of external data to achieve remote code execution. This vulnerability requires an attacker to have initial remote access, allowing them to interact with the management suite and trigger the flaw. Successful exploitation could grant the attacker significant control over the affected systems.

  • Attacker needs remote access.
  • Vulnerable component accepts untrusted data.
  • Leads to remote code execution.

Live Threat

Current exploitation, exposure, and threat context

A critical vulnerability in Dell Wyse Management Suite could allow a remote attacker to execute arbitrary code when supported by the advisory. This could affect the integrity and availability of the management suite and any systems it manages.

  • Management suite system data.
  • Remote, unauthenticated access.
  • System compromise and data loss.

Operational Fix

Recommended remediation, mitigation, and detection steps

Attackers with remote access could exploit this critical vulnerability in Dell Wyse Management Suite to achieve remote code execution. The first practical step is to identify all instances of the affected software, confirm their network reachability and business criticality, and then determine the accountable owner for remediation. This process should inform a prioritized plan for addressing the risk.

  • Application owners and infrastructure teams own this issue.
  • Verify deployed instances and network exposure.
  • Plan remediation based on identified risks.

Supplementary metadata

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

Frequently asked questions

What is Dell Wyse Management Suite?

It is a centralized management console used to monitor, configure, and maintain Dell hardware like thin clients. Organizations use it to streamline software deployments, updates, and policy management across their device fleet from a single web-based interface.

How does CVE-2026-41120 trigger code execution?

This vulnerability is classified as Acceptance of Extraneous Untrusted Data With Trusted Data (CWE-349). It occurs when the software fails to properly validate incoming data, allowing an attacker to inject malicious information that the system treats as legitimate, eventually leading to arbitrary code execution.

Do I need local access to trigger this vulnerability?

No, local access is not required. The vulnerability is designed to be triggered remotely by an attacker who has network access to the management suite. It does not require physical proximity or prior authentication to the system to initiate the attack sequence.

Is my Dell Wyse Management Suite instance at risk?

Halo Surface Signal indicates that because this suite is a web application designed for remote administration, it is often reachable via network interfaces. Instances facing the internet or accessible within broad corporate network segments are at higher risk and should be prioritized for review.

What steps should I take if I run this software?

Begin by auditing your environment to identify all active instances of Dell Wyse Management Suite. Confirm whether your specific version is earlier than WMS 5.5 HF1, coordinate with the infrastructure teams responsible for these systems, and initiate the update process to the patched version as soon as possible to mitigate the risk.

References