Secure Cyber Vulnerability Management

26/11/2025
Zero-Day Initiative

ZDI-25-1022: Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability

by Deepanshu Jha
This vulnerability allows network-adjacent attackers to create arbitrary files on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.5. The following CVEs are assigned: CVE-2025-13698.

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