CVE-2025-27692 in Wyse Management Suite Repository
Summary
by MITRE • 04/02/2025
Dell Wyse Management Suite, versions prior to WMS 5.1, contains an Unrestricted Upload of File with Dangerous Type vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to Denial of service, Information disclosure, and Remote execution
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Analysis
by VulDB Data Team • 07/11/2025
The vulnerability identified as CVE-2025-27692 affects Dell Wyse Management Suite versions prior to WMS 5.1, representing a critical security flaw that enables unauthorized file uploads with potentially malicious content. This vulnerability resides within the file upload functionality of the management suite, which is designed to handle various device management operations for Dell Wyse thin clients and other endpoint devices. The flaw allows an attacker with high privileged access to upload files that can execute arbitrary code on the affected system, creating a significant attack surface that can be exploited for multiple malicious purposes.
The technical implementation of this vulnerability stems from inadequate validation and sanitization of file upload operations within the WMS platform. The system fails to properly restrict file types that can be uploaded, allowing attackers to bypass security controls and upload files with dangerous extensions such as .jsp, .php, .asp, or other executable formats. This unrestricted upload capability directly maps to CWE-434, which describes the weakness of unrestricted upload of file with dangerous type, where the application accepts files without proper validation of their content or type. The vulnerability's severity is amplified by the fact that it requires only high privileged access rather than full administrative credentials, making it particularly dangerous in environments where multiple users have varying levels of access.
The operational impact of this vulnerability extends beyond simple code execution, encompassing denial of service conditions that can disrupt management operations for entire device fleets. When exploited, the vulnerability can lead to information disclosure through the execution of malicious code that accesses sensitive system data, configuration files, or user credentials stored within the management environment. Remote execution capabilities provide attackers with persistent access to the management suite, enabling them to maintain control over the compromised system and potentially escalate their privileges further. The attack surface is particularly concerning given that the WMS platform manages critical endpoint devices, making successful exploitation potentially devastating for enterprise security infrastructure.
Security professionals should consider this vulnerability in the context of ATT&CK framework tactic TA0001 (Initial Access) and technique T1190 (Exploit Public-Facing Application) as attackers can leverage the unrestricted upload functionality to establish persistent access points within enterprise networks. The mitigation strategy should focus on immediate patching of all affected WMS installations to version 5.1 or later, where proper file validation mechanisms have been implemented. Organizations should also implement network segmentation to limit access to the management suite, enforce strict access controls, and deploy monitoring solutions to detect unauthorized file upload activities. Additionally, regular security assessments of the management platform should be conducted to identify similar vulnerabilities and ensure that security controls remain effective against evolving threat landscapes.