What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-11 · updated 2026-10-23
• Weakness: CWE-20

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.

Affected products

• NETGEAR Rax20 Firmware: before 1.0.18.144 — fixed in 1.0.18.144
• NETGEAR Rax41 Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax41V2 Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax42 Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax42V2 Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• Netgear RAX43: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax43V2 Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax45 Firmware: before 1.0.17.142 — fixed in 1.0.17.142
• NETGEAR Rax49S Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax50 Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax50V2 Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax54S Firmware: before 1.1.6.36 — fixed in 1.1.6.36
• NETGEAR Rax54Sv2 Firmware: before 1.1.6.36 — fixed in 1.1.6.36

How to fix

Upgrade to a fixed version: NETGEAR Rax20 Firmware 1.0.18.144; NETGEAR Rax41 Firmware 1.1.6.36; NETGEAR Rax41V2 Firmware 1.1.6.36; NETGEAR Rax42 Firmware 1.1.6.36; NETGEAR Rax42V2 Firmware 1.1.6.36; Netgear RAX43 1.1.6.36; NETGEAR Rax43V2 Firmware 1.1.6.36; NETGEAR Rax45 Firmware 1.0.17.142; NETGEAR Rax49S Firmware 1.1.6.36; NETGEAR Rax50 Firmware 1.1.6.36; NETGEAR Rax50V2 Firmware 1.1.6.36; NETGEAR Rax54S Firmware 1.1.6.36. Check the vendor advisory for mitigations.

References

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

Get alerted when CVE-2026-11737 or the next vulnerability affects your stack