---
id: CVE-2026-97854
title: >-
  Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an
  OS command injection vulnerability
summary: >-
  Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an
  OS command injection vulnerability. Arbitrary OS commands may be executed by
  sending a specially crafted request to the affected product.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-78
vendor: Yamaha Corporation
product: NWR100
affected:
  - NWR100 <= Rev.26.00.07
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-29T11:59:10.318584Z'
published: '2026-10-29'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T12:36:50.361Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-97854'
references:
  - url: 'https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91027179.html'
  - url: 'https://jvn.jp/en/vu/JVNVU91027179/'
tags:
  - cve.org
epss: 0.01369
epssPercentile: 0.71881
ingestedAt: '2026-11-01T17:57:46.235Z'
---

## Overview

Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an OS command injection vulnerability. Arbitrary OS commands may be executed by sending a specially crafted request to the affected product.

## Affected

- `NWR100 <= Rev.26.00.07`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.