Security Advisory

CVE-2026-2035

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-20 22:13:02

Last updated 2026-02-24 14:59:50

Assigner zdi

State PUBLISHED

Description

Deciso OPNsense diag_backup.php filename Command Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Deciso OPNsense. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of backup configuration files. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-28131.

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