CVE-2025-59297 in DIAScreen
Summary
by MITRE • 10/03/2025
Delta Electronics DIAScreen lacks proper validation of the user-supplied file. If a user opens a malicious file, an attacker can leverage this vulnerability to execute code in the context of the current process.
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Analysis
by VulDB Data Team • 10/09/2025
Delta Electronics DIAScreen presents a critical code execution vulnerability stemming from inadequate input validation of user-supplied files. This weakness allows attackers to craft malicious files that, when opened by unsuspecting users, can trigger arbitrary code execution within the application's current process context. The vulnerability exists due to insufficient sanitization and validation mechanisms that should normally inspect file contents, formats, and metadata before processing. Attackers can exploit this by preparing specially crafted files that bypass normal file handling procedures, potentially leading to complete system compromise when users interact with these malicious payloads.
The technical flaw manifests as a classic insufficient input validation issue that aligns with CWE-20, which covers improper input validation in software systems. This vulnerability operates at the intersection of file processing and privilege escalation, as the executed code runs with the privileges of the currently logged-in user or the application process itself. The attack vector is particularly concerning because it relies on social engineering elements where users must actively open the malicious file, making it a prevalent target for phishing campaigns and targeted attacks. The application's failure to implement proper file format validation, size checking, or content analysis creates an exploitable gap in its security posture.
From an operational impact perspective, this vulnerability can result in severe consequences including unauthorized data access, system compromise, and potential lateral movement within network environments. The code execution occurs within the application's process context, meaning attackers can potentially access sensitive data, modify system configurations, or establish persistent backdoors. The vulnerability affects Delta Electronics DIAScreen users who may encounter malicious files through email attachments, file sharing platforms, or compromised websites, making it particularly dangerous in enterprise environments where users frequently interact with external file sources. The attack surface expands when considering that the vulnerability could be exploited through various file types that the application supports, increasing the likelihood of successful exploitation.
Security mitigations should focus on implementing comprehensive input validation mechanisms including file format verification, size restrictions, and content analysis before any file processing occurs. Organizations should enforce strict file type controls and implement sandboxing techniques to isolate file handling operations from core system processes. Network-level protections such as email filtering, web proxies, and endpoint detection systems can help identify and block malicious file transfers before they reach users. Regular security updates and patches from Delta Electronics should be applied immediately upon availability, while users should be trained to recognize suspicious file attachments and avoid opening untrusted files. The implementation of principle of least privilege access controls and application whitelisting can further reduce the impact of successful exploitation attempts. This vulnerability highlights the importance of defense-in-depth strategies and proper secure coding practices that prevent attackers from leveraging input validation flaws to gain unauthorized system access.