---
id: CVE-2025-12490
title: Netgate pfSense CE Suricata Path Traversal Remote Code Execution Vulnerability
summary: >-
  Netgate pfSense CE Suricata Path Traversal Remote Code Execution
  Vulnerability. This vulnerability allows remote attackers to create arbitrary
  files on affected installations of Netgate pfSense. Authentication is required
  to exploit this…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-22
published: '2025-11-06'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:10:00.200'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12490'
references:
  - url: >-
      https://github.com/pfsense/FreeBSD-ports/commit/36b2303dfca35a1183d76f26bcc6ce26d4ea682d
    label: zdi-disclosures@trendmicro.com
  - url: 'https://www.zerodayinitiative.com/advisories/ZDI-25-979/'
    label: zdi-disclosures@trendmicro.com
tags:
  - nvd
epss: 0.16951
epssPercentile: 0.96994
zeroDay: true
ingestedAt: '2026-10-07T21:54:14.965Z'
---

## Overview

Netgate pfSense CE Suricata Path Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of Netgate pfSense. Authentication is required to exploit this vulnerability.

The specific flaw exists within the Suricata package. 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-28085.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.