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

Published Aug 11, 2026
·
Updated

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.

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade NETGEAR RAX20 to a version that resolves this vulnerability.

    Fixed in 4-Stream AX1800 WiFi 6 Router V1.0.18.144
  2. Upgrade

    Upgrade NETGEAR RAX41 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX5 5-Stream AX3600 WiFi Router V1.1.6.36
  3. Upgrade

    Upgrade NETGEAR RAX41v2 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX5 5-Stream AX3600 WiFi Router V1.1.6.36
  4. Upgrade

    Upgrade NETGEAR RAX42 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.6.36
  5. Upgrade

    Upgrade NETGEAR RAX42v2 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.6.36
  6. Upgrade

    Upgrade NETGEAR RAX43 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.6.36
  7. Upgrade

    Upgrade NETGEAR RAX43v2 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX5 5-Stream AX4200 WiFi Router V1.1.6.36
  8. Upgrade

    Upgrade NETGEAR RAX45 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX6 6-Stream AX4300 WiFi Router V1.0.17.142
  9. Upgrade

    Upgrade NETGEAR RAX49S to a version that resolves this vulnerability.

    Fixed in Nighthawk AX6 6-Stream AX5300 WiFi Router V1.1.6.36
  10. Upgrade

    Upgrade NETGEAR RAX50 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX6 6-Stream AX5400 WiFi 6 Router V1.1.6.36
  11. Upgrade

    Upgrade NETGEAR RAX50v2 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX6 6-Stream AX5400 WiFi 6 Router V1.1.6.36
  12. Upgrade

    Upgrade NETGEAR RAX54S to a version that resolves this vulnerability.

    Fixed in Nighthawk AX6 6-Stream AX5400 WiFi Router V1.1.6.36
  13. Upgrade

    Upgrade NETGEAR RAX54Sv2 to a version that resolves this vulnerability.

    Fixed in Nighthawk AX6 6-Stream AX5400 WiFi Router V1.1.6.36
  14. Compensating control

    For NETGEAR Nighthawk models marked (EoS)/End-of-Support, retire the device and upgrade to a newer NETGEAR device for continued security support (no security updates are planned).

Event History

Aug 11, 2026
CVE Published
via MITRE·03:06 PM
Data Sourced
via MITRE·03:06 PM
RemedyDescriptionWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-11737?

CVE-2026-11737 has a risk rating of 44, indicating a moderate security vulnerability.

2

How do I fix CVE-2026-11737?

To fix CVE-2026-11737, update the affected NETGEAR Nighthawk devices to the latest firmware version provided by NETGEAR.

3

What models are affected by CVE-2026-11737?

CVE-2026-11737 affects several NETGEAR Nighthawk models including the RAX20, RAX42, and RAX41v2.

4

What type of vulnerability is CVE-2026-11737?

CVE-2026-11737 is classified as an insufficient input validation vulnerability.

5

Who can exploit CVE-2026-11737?

CVE-2026-11737 can be exploited by authenticated administrators connected to the local network.

Company

Resources

Contact

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