CVE-2026-11738: Insufficient input validation in certain NETGEAR Nighthawk routers allows 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 router software and functionality.

Affected Software

53 affected components
Netgear Nighthawk routers
All of the following
Netgear Be9300 Firmware<1.0.1.84
Netgear Be9300
All of the following
Netgear Mr60 Firmware<1.1.8.142
Netgear MR60
All of the following
Netgear Ms60 Firmware<1.1.8.142
Netgear MS60
All of the following
Netgear R6700ax Firmware<1.0.18.164
Netgear R6700AX
All of the following
Netgear Rax10 Firmware<1.0.5.50
Netgear RAX10
All of the following
Netgear Rax120 Firmware<1.2.10.56
Netgear RAX120
All of the following
Netgear Rax120v2 Firmware<1.2.10.56
Netgear RAX120v2
All of the following
Netgear Rax20 Firmware<1.0.17.142
Netgear RAX20
All of the following
Netgear Rax28 Firmware<1.0.14.108
Netgear Rax28
All of the following
Netgear Rax29 Firmware<1.0.14.108
Netgear Rax29
All of the following
Netgear RAX30 firmware<1.0.14.108
Netgear RAX30
All of the following
Netgear Rax36s Firmware<1.0.5.50
Netgear Rax36s
All of the following
Netgear Rax43 Firmware<1.0.17.142
Netgear RAX43
All of the following
Netgear Rax45 Firmware<1.0.17.142
Netgear RAX45
All of the following
Netgear Rax50 Firmware<1.0.17.142
Netgear RAX50
All of the following
Netgear Rax70 Firmware<1.0.19.172
Netgear RAX70
All of the following
Netgear Rbr760 Firmware<6.3.8.11
Netgear Rbr760
All of the following
Netgear Rbs760 Firmware<6.3.8.11
Netgear Rbs760
All of the following
Netgear Rs100 Firmware<1.0.1.80
Netgear Rs100
All of the following
Netgear Rs200 Firmware<1.0.1.90
Netgear Rs200
All of the following
Netgear Rs280 Firmware<1.0.1.90
Netgear Rs280
All of the following
Netgear Rs300 Firmware<1.0.1.90
Netgear Rs300
All of the following
Netgear Rs500 Firmware<1.0.1.90
Netgear Rs500
All of the following
Netgear Rs600 Firmware<1.0.1.90
Netgear Rs600
All of the following
Netgear Rs70 Firmware<1.0.1.80
Netgear Rs70
All of the following
Netgear Rs90 Firmware<1.0.1.80
Netgear Rs90

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade NETGEAR Nighthawk R7000 (EoS) to a version that resolves this vulnerability.

    Fixed in R7000 (EoS)
  2. Upgrade

    Upgrade NETGEAR Nighthawk AX12 12-Stream AXE11000 Tri-Band WiFi 6E Router V1.2.14.114 to a version that resolves this vulnerability.

    Fixed in V1.2.14.114
  3. Upgrade

    Upgrade NETGEAR Nighthawk BE19000 WiFi 7 Tri-Band Router to a version that resolves this vulnerability.

    Fixed in V1.0.7.66
  4. Compensating control

    Retire devices marked (EoS) that have reached End-of-Support phase (e.g., R7000) and upgrade to a newer NETGEAR device for continued security support, since 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
Data Sourced
via NVD·04:17 PM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-11738?

CVE-2026-11738 has a risk score of 44, indicating a moderate severity level.

2

How do I fix CVE-2026-11738?

To address CVE-2026-11738, ensure that your NETGEAR Nighthawk router firmware is updated to the latest version provided by NETGEAR.

3

What devices are affected by CVE-2026-11738?

CVE-2026-11738 affects specific models of NETGEAR Nighthawk routers including the R7000, RS700, and RAXE500.

4

What type of vulnerability is CVE-2026-11738?

CVE-2026-11738 is classified as an input validation vulnerability.

5

Can unauthorized users exploit CVE-2026-11738?

CVE-2026-11738 requires authenticated administrator access on the local network, so unauthorized users cannot exploit it without valid credentials.

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