CVE-2025-0645 in Pyxis Signage
Summary
by MITRE • 11/20/2025
Unrestricted Upload of File with Dangerous Type vulnerability in Narkom Communication and Software Technologies Trade Ltd. Co. Pyxis Signage allows Accessing Functionality Not Properly Constrained by ACLs.
This issue affects Pyxis Signage: through 31012025.
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Analysis
by VulDB Data Team • 06/06/2026
The vulnerability identified as CVE-2025-0645 represents a critical security flaw in the Pyxis Signage platform developed by Narkom Communication and Software Technologies Trade Ltd. Co. This issue manifests as an unrestricted file upload vulnerability that permits the upload of files with dangerous types, creating a significant attack surface that can be exploited by malicious actors. The vulnerability specifically affects versions of the Pyxis Signage platform through the date 31012025, indicating this represents a time-sensitive security concern that requires immediate attention from affected organizations. The flaw fundamentally undermines the platform's security posture by allowing unauthorized file uploads that could compromise the entire system infrastructure.
The technical nature of this vulnerability stems from inadequate input validation and access control mechanisms within the file upload functionality of the Pyxis Signage platform. When users attempt to upload files through the system interface, the platform fails to properly validate the file types being submitted, allowing potentially malicious files such as executable binaries, script files, or other dangerous formats to be uploaded without proper restrictions. This lack of proper file type validation creates a direct pathway for attackers to bypass security controls that should normally prevent the upload of harmful content. The vulnerability operates under the broader category of unrestricted file uploads, which is classified as CWE-434 within the Common Weakness Enumeration framework, specifically addressing the dangerous practice of accepting files without proper validation of their content or type.
The operational impact of this vulnerability extends far beyond simple file storage concerns, as it provides attackers with potential access to functionality that should be properly constrained by access control lists. When combined with the unrestricted upload capability, this creates a scenario where unauthorized users can upload malicious files that may then be executed or triggered within the system environment. The implications include potential remote code execution, privilege escalation, and complete system compromise depending on the execution environment and user permissions. Attackers could leverage this vulnerability to deploy malware, establish persistent backdoors, or gain administrative access to the signage platform, which could then be used to control digital displays across multiple locations or to serve as a foothold for broader network infiltration.
Organizations utilizing Pyxis Signage platforms must implement immediate mitigations to address this vulnerability, including but not limited to implementing strict file type validation, enforcing proper access control mechanisms, and deploying web application firewalls to monitor and filter file upload requests. The solution should incorporate comprehensive file validation that checks not only file extensions but also file signatures and content types to prevent the upload of malicious files. Additionally, organizations should consider implementing proper access control lists that restrict file upload capabilities to authorized personnel only, ensuring that the functionality is properly constrained as intended by the platform design. The remediation efforts should align with industry best practices outlined in the MITRE ATT&CK framework, particularly focusing on mitigating techniques related to command and control, privilege escalation, and persistence mechanisms that attackers might attempt to establish through this vulnerability. Regular security assessments and vulnerability scanning should be conducted to ensure that similar issues do not exist within the broader system infrastructure.