CVE-2018-0665
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…
- 6.8MediumCVSS base score
- 0.65%Exploitation in 30 daysEPSS · top 48% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By jpcert
- 14 months later
· 14 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.8 | CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.65% · top 48% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
Yamaha Corporation · Yamaha Broadband VoIP Router RT57i
- affected Rev.8.00.95 and earlier
Yamaha Corporation · Yamaha Broadband VoIP Router RT58i
- affected Rev.9.01.51 and earlier
Yamaha Corporation · Yamaha Broadband VoIP Router NVR500
- affected Rev.11.00.36 and earlier
Yamaha Corporation · Yamaha Gigabit VPN Router RTX810
- affected Rev.11.01.31 and earlier
Yamaha Corporation · Yamaha Firewall FWX120
- affected Rev.11.03.25 and earlier
NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION · Biz Box Router N58i, N500, NVR500, and RTX810
- affected n/a
NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION · Biz Box Router N58i, and N500
- affected n/a
References
4
- https://flets-w.com/solution/kiki_info/info/180829.html (opens in a new tab)x_refsource_MISCx_transferred
- JVN#69967692 (opens in a new tab)third-party-advisoryx_refsource_JVNx_transferred
- https://web116.jp/ced/support/news/contents/2018/20180829b.html (opens in a new tab)x_refsource_MISCx_transferred
- http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/JVN69967692.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-1475 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-0665)Record last updated .