---
id: CVE-2026-11735
title: >-
  A stack-based buffer overflow vulnerability affects the listed NETGEAR models
  allowing an authenticated admin user to make unauthorized modification to the
  router's software and functionality.
summary: >-
  A stack-based buffer overflow vulnerability affects the listed NETGEAR models
  allowing an authenticated admin user to make unauthorized modification to the
  router's software and functionality.
severity: medium
cvss: 4.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'
cwe:
  - CWE-121
vendor: netgear
product: r7000_firmware
affected:
  - r7000_firmware
  - rax20_firmware
  - rax35v2_firmware < 1.0.16.132
  - rax41_firmware
  - rax41v2_firmware < 1.1.4.28
  - rax42_firmware
  - rax42v2_firmware < 1.1.4.28
  - rax43_firmware < 1.0.16.132
  - rax43v2_firmware < 1.1.4.28
  - rax45_firmware
  - rax49s_firmware < 1.1.4.28
  - rax50_firmware < 1.0.16.132
  - rax50s_firmware < 1.0.16.132
  - rax50v2_firmware < 1.1.4.28
  - rax54sv2_firmware < 1.1.4.28
  - rax54v2_firmware < 1.1.4.28
  - raxe450_firmware
  - raxe500_firmware < 1.2.14.114
  - xr1000_firmware < 1.1.0.22
  - xr1000v2_firmware < 1.1.0.22
patched:
  - rax35v2_firmware 1.0.16.132
  - rax41v2_firmware 1.1.4.28
  - rax42v2_firmware 1.1.4.28
  - rax43_firmware 1.0.16.132
  - rax43v2_firmware 1.1.4.28
  - rax49s_firmware 1.1.4.28
  - rax50_firmware 1.0.16.132
  - rax50s_firmware 1.0.16.132
  - rax50v2_firmware 1.1.4.28
  - rax54sv2_firmware 1.1.4.28
  - rax54v2_firmware 1.1.4.28
  - raxe500_firmware 1.2.14.114
  - xr1000_firmware 1.1.0.22
  - xr1000v2_firmware 1.1.0.22
published: '2026-08-11'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T02:58:25.340'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-11735'
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/r7000/'
    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/rax35v2/'
    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/rax50s/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax50v2/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/rax54sv2/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/raxe450/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/raxe500/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/xr1000/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
  - url: 'https://www.netgear.com/support/product/xr1000v2/'
    label: a2826606-91e7-4eb6-899e-8484bd4575d5
tags:
  - nvd
epss: 0.00509
epssPercentile: 0.40845
ingestedAt: '2026-08-29T19:41:14.348Z'
---

## Overview

A stack-based buffer overflow vulnerability affects the listed NETGEAR models allowing an authenticated admin user to make unauthorized modification to the router's software and functionality.

## Affected

- `r7000_firmware`
- `rax20_firmware`
- `rax35v2_firmware < 1.0.16.132`
- `rax41_firmware`
- `rax41v2_firmware < 1.1.4.28`
- `rax42_firmware`
- `rax42v2_firmware < 1.1.4.28`
- `rax43_firmware < 1.0.16.132`
- `rax43v2_firmware < 1.1.4.28`
- `rax45_firmware`
- `rax49s_firmware < 1.1.4.28`
- `rax50_firmware < 1.0.16.132`
- `rax50s_firmware < 1.0.16.132`
- `rax50v2_firmware < 1.1.4.28`
- `rax54sv2_firmware < 1.1.4.28`
- `rax54v2_firmware < 1.1.4.28`
- `raxe450_firmware`
- `raxe500_firmware < 1.2.14.114`
- `xr1000_firmware < 1.1.0.22`
- `xr1000v2_firmware < 1.1.0.22`

## Remediation

Upgrade past the affected range:

- `rax35v2_firmware 1.0.16.132`
- `rax41v2_firmware 1.1.4.28`
- `rax42v2_firmware 1.1.4.28`
- `rax43_firmware 1.0.16.132`
- `rax43v2_firmware 1.1.4.28`
- `rax49s_firmware 1.1.4.28`
- `rax50_firmware 1.0.16.132`
- `rax50s_firmware 1.0.16.132`
- `rax50v2_firmware 1.1.4.28`
- `rax54sv2_firmware 1.1.4.28`
- `rax54v2_firmware 1.1.4.28`
- `raxe500_firmware 1.2.14.114`
- `xr1000_firmware 1.1.0.22`
- `xr1000v2_firmware 1.1.0.22`