CVE-2026-11733: Buffer overflow vulnerability in some NETGEAR Nighthawk routers

Published Aug 11, 2026
·
Updated

A buffer overflow vulnerability in the listed NETGEAR models allows a device administrator to temporarily interrupt the normal operation of the affected device.

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade NETGEAR Nighthawk RAX41 (EoS) to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  2. Upgrade

    Upgrade NETGEAR Nighthawk RAX41v2 to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  3. Upgrade

    Upgrade NETGEAR Nighthawk RAX42 (EoS) to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  4. Upgrade

    Upgrade NETGEAR Nighthawk RAX42v2 to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  5. Upgrade

    Upgrade NETGEAR Nighthawk RAX43 to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  6. Upgrade

    Upgrade NETGEAR Nighthawk RAX43v2 to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  7. Upgrade

    Upgrade NETGEAR Nighthawk RAX49S to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  8. Upgrade

    Upgrade NETGEAR Nighthawk RAX50 to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  9. Upgrade

    Upgrade NETGEAR Nighthawk RAX50v2 to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  10. Upgrade

    Upgrade NETGEAR Nighthawk RAX54S to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  11. Upgrade

    Upgrade NETGEAR Nighthawk RAX54Sv2 to a version that resolves this vulnerability.

    Fixed in V1.1.6.36
  12. Compensating control

    For NETGEAR models marked (EoS) — RAX41, RAX42 — retire the devices and upgrade to a newer NETGEAR device for continued security support (no security updates are planned).

  13. Operational

    For devices with automatic updates enabled, verify whether the firmware patch is already applied; otherwise check the current firmware version and update it to V1.1.6.36.

Event History

Aug 11, 2026
CVE Published
via MITRE·03:06 PM
Data Sourced
via MITRE·03:06 PM
RemedyDescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-11733?

CVE-2026-11733 has a risk rating of 18.

2

How do I fix CVE-2026-11733?

To address CVE-2026-11733, update your NETGEAR Nighthawk router firmware to the latest version.

3

Which NETGEAR router models are affected by CVE-2026-11733?

CVE-2026-11733 affects specific NETGEAR Nighthawk router models, including RAX41, RAX41 v2, and RAX43.

4

What type of vulnerability is CVE-2026-11733?

CVE-2026-11733 is classified as a buffer overflow vulnerability.

5

What is the impact of CVE-2026-11733?

The impact of CVE-2026-11733 allows a device administrator to temporarily disrupt the normal operation of the affected NETGEAR router.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203