---
id: CVE-2025-70521
title: >-
  The management portal's diagnostic ping tool of Fanvil x7a firmware version
  2.6.0.1182 does not handle user supplied input securely
summary: >-
  The management portal's diagnostic ping tool of Fanvil x7a firmware version
  2.6.0.1182 does not handle user supplied input securely. The lack of secure
  user input handling allows any unauthenticated attacker to inject commands and
  run co…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-77
published: '2026-10-07'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T21:17:06.540'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-70521'
references:
  - url: 'http://download.fanvil.com/Firmware/Release/PA2S/'
    label: cve@mitre.org
  - url: >-
      https://www.darkpoint.ca/blog/2026/02/27/Fanvil-x7a-PA2S-Vulnerability-Disclosure
    label: cve@mitre.org
  - url: 'https://www.fanvil.com/products/p5/wulianwangwangguan_1/20210921/5035.html'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-07T20:26:20.614384Z'
ingestedAt: '2026-10-07T15:36:04.049Z'
epss: 0.00426
epssPercentile: 0.36694
---

## Overview

The management portal's diagnostic ping tool of Fanvil x7a firmware version 2.6.0.1182 does not handle user supplied input securely. The lack of secure user input handling allows any unauthenticated attacker to inject commands and run code in the underlying Android operating system.

## Remediation

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