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,
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…
| Vendor | Product | Versions |
|---|---|---|
| Yamaha Corporation | Yamaha Broadband VoIP Router RT57i | Rev.8.00.95 and earlier |
| Yamaha Corporation | Yamaha Broadband VoIP Router RT58i | Rev.9.01.51 and earlier |
| Yamaha Corporation | Yamaha Broadband VoIP Router NVR500 | Rev.11.00.36 and earlier |
| Yamaha Corporation | Yamaha Gigabit VPN Router RTX810 | Rev.11.01.31 and earlier |
| Yamaha Corporation | Yamaha Firewall FWX120 | Rev.11.03.25 and earlier |
| NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION | Biz Box Router N58i, N500, NVR500, and RTX810 | n/a |
| NIPPON TELEGRAPH AND TELEPHONE EAST CORPORATION | Biz Box Router N58i, and N500 | n/a |
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
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No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.