---
id: CVE-2025-64153
title: >-
  A improper neutralization of special elements used in an os command ('os
  command injection') in Fortinet FortiExtender 7.6.0 through 7.6.3,
  FortiExtender 7.4.0 through 7.4.7, FortiExtender 7.2 all versions,
  FortiExtender 7.0 all versions…
summary: >-
  A improper neutralization of special elements used in an os command ('os
  command injection') in Fortinet FortiExtender 7.6.0 through 7.6.3,
  FortiExtender 7.4.0 through 7.4.7, FortiExtender 7.2 all versions,
  FortiExtender 7.0 all versions…
severity: high
cvss: 7.2
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
vendor: fortinet
product: fortiextender_firmware
affected:
  - 'fortiextender_firmware >= 7.0.0, <= 7.0.4'
  - 'fortiextender_firmware >= 7.2.0, <= 7.2.5'
  - 'fortiextender_firmware >= 7.4.0, <= 7.4.7'
  - 'fortiextender_firmware >= 7.6.0, <= 7.6.3'
published: '2025-12-09'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-64153'
references:
  - url: 'https://fortiguard.fortinet.com/psirt/FG-IR-25-739'
    label: psirt@fortinet.com
tags:
  - nvd
epss: 0.01709
epssPercentile: 0.76877
ingestedAt: '2026-10-14T21:57:04.762Z'
---

## Overview

A improper neutralization of special elements used in an os command ('os command injection') in Fortinet FortiExtender 7.6.0 through 7.6.3, FortiExtender 7.4.0 through 7.4.7, FortiExtender 7.2 all versions, FortiExtender 7.0 all versions may allow an authenticated attacker to execute unauthorized code or commands via a specific HTTP request.

## Affected

- `fortiextender_firmware >= 7.0.0, <= 7.0.4`
- `fortiextender_firmware >= 7.2.0, <= 7.2.5`
- `fortiextender_firmware >= 7.4.0, <= 7.4.7`
- `fortiextender_firmware >= 7.6.0, <= 7.6.3`

## Remediation

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