OS Command Injection in Yamaha Wireless LAN Router
CVE-2026-97854

9.3CRITICAL

Key Information:

Vendor

Yamaha Corporation

Status
Nwr100
Vendor
CVE Published:
29 October 2026

What is CVE-2026-97854?

The Yamaha NWR100 wireless LAN router is susceptible to an OS command injection vulnerability, which allows attackers to execute arbitrary OS commands by sending specially crafted requests to the device. This poses a significant risk as it can lead to unauthorized access and control over the affected router, potentially compromising the entire network. Users are advised to implement preventive measures and update their firmware promptly to mitigate this risk.

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:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.