Yamaha · Nvr500 · CVE-2018-0666
**Name of the Vulnerable Software and Affected Versions**
Yamaha routers RT57i versions 8.00.95 and earlier
Yamaha routers RT58i versions 9.01.51 and earlier
Yamaha routers NVR500 versions 11.00.36 and earlier
Yamaha routers RTX810 versions 11.01.31 and earlier
**Description**
The issue allows an administrative user to embed arbitrary scripts into the configuration data through a certain form field of the configuration page. These scripts may be executed on another administrative user's web browser.
**Recommendations**
For RT57i versions 8.00.95 and earlier, update to a version later than 8.00.95 to resolve the issue.
For RT58i versions 9.01.51 and earlier, update to a version later than 9.01.51 to resolve the issue.
For NVR500 versions 11.00.36 and earlier, update to a version later than 11.00.36 to resolve the issue.
For RTX810 versions 11.01.31 and earlier, update to a version later than 11.01.31 to resolve the issue.
As a temporary workaround, consider restricting access to the configuration page to minimize the risk of exploitation.