---
id: CVE-2025-70519
title: >-
  The device log component of Fanvil x7a firmware version 2.6.0.1182 does not
  properly sanitize or encode reflected user supplied data
summary: >-
  The device log component of Fanvil x7a firmware version 2.6.0.1182 does not
  properly sanitize or encode reflected user supplied data. The lack of
  sanitization allows for the injection of HTML which can be used to execute
  malicious JavaSc…
severity: medium
cvss: 6.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-10-07'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T19:17:30.810'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-70519'
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
  - url: >-
      https://www.darkpoint.ca/blog/2026/02/27/Fanvil-x7a-PA2S-Vulnerability-Disclosure
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-07T18:43:27.475840Z'
ingestedAt: '2026-10-07T15:36:04.049Z'
epss: 0.0023
epssPercentile: 0.13738
---

## Overview

The device log component of Fanvil x7a firmware version 2.6.0.1182 does not properly sanitize or encode reflected user supplied data. The lack of sanitization allows for the injection of HTML which can be used to execute malicious JavaScript code on any target browser which renders the device log component.

## Remediation

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