Critical severity · published Oct 29, 2026
CVE-2026-97854
Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an OS command injection vulnerability
New
9.8
CVSS
–
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NW
NWR100 · Yamaha Corporation
through Rev.26.00.07 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97854
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-97854
www.rtpro.yamaha.co.jp
https://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVNVU91027179.html
jvn.jp
https://jvn.jp/en/vu/JVNVU91027179/
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Yamaha wireless LAN router NWR100 provided by Yamaha Corporation contains an issue with insecure storage of sensitive information