---
id: CVE-2026-109822
title: >-
  Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an
  issue with insecure storage of sensitive information
summary: >-
  Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an
  issue with insecure storage of sensitive information. Configuration files
  generated by the CONFIG file export function may be read by an unauthenticated
  attacker.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-922
vendor: Yamaha Corporation
product: NWR100
affected:
  - NWR100 <= Rev.26.00.07
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-29T11:58:48.271585Z'
published: '2026-10-29'
updated: '2026-10-29'
sourceUpdated: '2026-10-29T12:36:50.215Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-109822'
references:
  - url: 'https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91027179.html'
  - url: 'https://jvn.jp/en/vu/JVNVU91027179/'
tags:
  - cve.org
epss: 0.0031
epssPercentile: 0.23842
ingestedAt: '2026-11-01T17:57:46.235Z'
---

## Overview

Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an issue with insecure storage of sensitive information. Configuration files generated by the CONFIG file export function may be read by an unauthenticated attacker.

## Affected

- `NWR100 <= Rev.26.00.07`

## Remediation

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