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TI-2026-82367 Aliases CVE-2026-97854GHSA-8m66-f8m4-wc2j

OS command injection in Yamaha NWR100 wireless LAN router

Priority MEDIUM 51CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

The Yamaha Corporation NWR100 wireless LAN router, from 0 through Rev.26.00.07, contains an OS command injection flaw (CWE-78). Input is not properly neutralized before it is used in an OS command, so an unauthenticated remote attacker can execute arbitrary OS commands by sending a specially crafted request.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01369 72nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Yamaha CorporationNWR100up to Rev.26.00.07—No fix listedCNA
  • NWR100 VendorYamaha Corporation Affected up to Rev.26.00.07 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Yamaha NWR100.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-97854
  2. 2026-10-29 CISA SSVC decision points changed
  3. 2026-10-29 Alias added: GHSA-8m66-f8m4-wc2j

References

Other 2

  • TI-2005-00319 Multiple TCP implementations with Protection Against Wrapped Sequence Numbers (PAWS) with… CVSS 2.0MEDIUM 5.0
  • TI-2008-02085 Unspecified vulnerability in Yamaha routers allows remote attackers to cause a denial of… CVSS 3.1HIGH 7.5
  • TI-2026-82369 Insecure DLL loading in Yamaha LAN Monitor installer for Windows CVSS 4.0HIGH 8.4
  • TI-2026-82368 Unquoted service paths in Yamaha YMS-VPN8 and YMS-VPN8-CP CVSS 4.0HIGH 8.4
  • TI-2011-01163 Yamaha RTX, RT, SRT, RTV, RTW, and RTA series routers with firmware 6.x through 10.x, and… CVSS 2.0HIGH 7.8
  • TI-2026-53262 Hard-coded credentials in Yamaha Corporation VOCALOID6 CVSS 4.0MEDIUM 6.9
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences