CVE-2026-109822: Yamaha NWR100 · Insecure Storage of Sensitive Information
Affects Yamaha NWR100Source CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 29 Oct 2026, 13:02 UTC
Thin evidence
One scorer or none| CNA (jpcert) | CVSS 3.1 | 6.5 |
|---|---|---|
| CNA (jpcert) | CVSS 4.0 | 7.1 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Yamaha CorporationNWR100 | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict access to the CONFIG file export function and avoid exporting configuration files in untrusted environments.
Description
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.