Insecure Information Storage in Yamaha Wireless LAN Router
CVE-2026-109822

7.1HIGH

Key Information:

Vendor

Yamaha Corporation

Status
Nwr100
Vendor
CVE Published:
29 October 2026

What is CVE-2026-109822?

The Yamaha Wireless LAN Router NWR100 has a vulnerability that allows for the insecure storage of sensitive configuration files. An attacker, without requiring authentication, may exploit this flaw by reading the exported CONFIG files, potentially exposing sensitive data. This presents significant security risks, emphasizing the need for robust security measures in network devices.

Affected Version(s)

NWR100 0

References

https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91027...
https://jvn.jp/en/vu/JVNVU91027179/

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.