CVE-2015-8286: Zhuhai Raysharp Firmware

Critical severity, CVSS 9.8. EPSS: 4.6% chance of exploitation in the next 30 days.

Zhuhai RaySharp firmware has a hardcoded root password, which makes it easier for remote attackers to obtain access via a session on TCP port 23 or 9000.

Affected products

• Zhuhai Raysharp Firmware: any version

Published 2016-02-18. Last modified 2026-06-17.