---
id: CVE-2026-11737
title: "Insufficient input validation vulnerability in the\_listed \nNETGEAR models allows\_authenticated administrators connected to the \nlocal network to make unauthorized modification to the device software and \nfunctionality."
summary: "Insufficient input validation vulnerability in the\_listed \nNETGEAR models allows\_authenticated administrators connected to the \nlocal network to make unauthorized modification to the device software and \nfunctionality."
severity: medium
cvss: 4.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-20
vendor: netgear
product: rax20_firmware
affected:
  - rax20_firmware < 1.0.18.144
  - rax41_firmware < 1.1.6.36
  - rax41v2_firmware < 1.1.6.36
  - rax42_firmware < 1.1.6.36
  - rax42v2_firmware < 1.1.6.36
  - rax43_firmware < 1.1.6.36
  - rax43v2_firmware < 1.1.6.36
  - rax45_firmware < 1.0.17.142
  - rax49s_firmware < 1.1.6.36
  - rax50_firmware < 1.1.6.36
  - rax50v2_firmware < 1.1.6.36
  - rax54s_firmware < 1.1.6.36
  - rax54sv2_firmware < 1.1.6.36
patched:
  - rax20_firmware 1.0.18.144
  - rax41_firmware 1.1.6.36
  - rax41v2_firmware 1.1.6.36
  - rax42_firmware 1.1.6.36
  - rax42v2_firmware 1.1.6.36
  - rax43_firmware 1.1.6.36
  - rax43v2_firmware 1.1.6.36
  - rax45_firmware 1.0.17.142
  - rax49s_firmware 1.1.6.36
  - rax50_firmware 1.1.6.36
  - rax50v2_firmware 1.1.6.36
  - rax54s_firmware 1.1.6.36
  - rax54sv2_firmware 1.1.6.36
published: '2026-08-11'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T02:59:15.787'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-11737'
references:
  - url: 'https://kb.netgear.com/000070887/August-2026-NETGEAR-Security-Advisory'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax20/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax41/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax41v2/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax42/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax42v2/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax43/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax43v2/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax45/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax49s/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax50/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax50v2/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
tags:
  - nvd
epss: 0.00221
epssPercentile: 0.11243
ingestedAt: '2026-08-29T19:41:14.437Z'
---

## Overview

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

- `rax20_firmware < 1.0.18.144`
- `rax41_firmware < 1.1.6.36`
- `rax41v2_firmware < 1.1.6.36`
- `rax42_firmware < 1.1.6.36`
- `rax42v2_firmware < 1.1.6.36`
- `rax43_firmware < 1.1.6.36`
- `rax43v2_firmware < 1.1.6.36`
- `rax45_firmware < 1.0.17.142`
- `rax49s_firmware < 1.1.6.36`
- `rax50_firmware < 1.1.6.36`
- `rax50v2_firmware < 1.1.6.36`
- `rax54s_firmware < 1.1.6.36`
- `rax54sv2_firmware < 1.1.6.36`

## Remediation

Upgrade past the affected range:

- `rax20_firmware 1.0.18.144`
- `rax41_firmware 1.1.6.36`
- `rax41v2_firmware 1.1.6.36`
- `rax42_firmware 1.1.6.36`
- `rax42v2_firmware 1.1.6.36`
- `rax43_firmware 1.1.6.36`
- `rax43v2_firmware 1.1.6.36`
- `rax45_firmware 1.0.17.142`
- `rax49s_firmware 1.1.6.36`
- `rax50_firmware 1.1.6.36`
- `rax50v2_firmware 1.1.6.36`
- `rax54s_firmware 1.1.6.36`
- `rax54sv2_firmware 1.1.6.36`