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CVE-2025-13698

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CVE-2025-13698

Published: Dec 23, 2025

Modified: Dec 24, 2025

PUBLISHED

CVSS v3.0

4.5

MEDIUM

Description

Deciso OPNsense diag_backup.php filename Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows network-adjacent attackers to create arbitrary files 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 path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of root. Was ZDI-CAN-28133.

VendorProductVersions

Deciso

OPNsense

affected
25.7

Weaknesses (CWE)

CWE-22

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

ZDI-25-1022
x_research-advisory
vendor-provided URL
vendor-advisory

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