CVE-2019-9160: Xinruidz Sundray WAN Controller Firmware

Critical severity, CVSS 9.8. EPSS: 3.2% chance of exploitation in the next 30 days.

WAC on the Sangfor Sundray WLAN Controller version 3.7.4.2 and earlier has a backdoor account allowing a remote attacker to login to the system via SSH (on TCP port 22345) and escalate to root (because the password for root is the WebUI admin password concatenated with a static string).

Affected products

  • Xinruidz Sundray WAN Controller Firmware: up to and including 3.7.4.2

Published 2019-04-18. Last modified 2026-06-17.