What’s Vulnerable › Vulnerabilities

CVE-2018-0665

• Severity: medium (CVSS 6.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-09 · updated 2026-06-17

Description

Yamaha routers RT57i Rev.8.00.95 and earlier, RT58i Rev.9.01.51 and earlier, NVR500 Rev.11.00.36 and earlier, RTX810 Rev.11.01.31 and earlier, allow an administrative user to embed arbitrary scripts to the configuration data through a certain form field of the configuration page, which may be executed on another administrative user's web browser. This is a different vulnerability from CVE-2018-0666.

Affected products

• Yamaha Nvr500 Firmware: through rev.11.00.36
• Yamaha Rt57I Firmware: through rev.8.00.95
• Yamaha Rt58I Firmware: through rev.9.01.51
• Yamaha Rtx810 Firmware: through rev.11.01.31

References

• http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.html
• https://flets-w.com/solution/kiki_info/info/180829.html
• https://jvn.jp/en/jp/JVN69967692/index.html
• https://web116.jp/ced/support/news/contents/2018/20180829b.html
• http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.html
• https://flets-w.com/solution/kiki_info/info/180829.html
• https://jvn.jp/en/jp/JVN69967692/index.html
• https://web116.jp/ced/support/news/contents/2018/20180829b.html

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