CVE-2017-18370: Billion 5200w-T Firmware

High severity, CVSS 8.8. EPSS: 24.4% chance of exploitation in the next 30 days.

The ZyXEL P660HN-T1A v2 TCLinux Fw #7.3.37.6 router distributed by TrueOnline has a command injection vulnerability in the Remote System Log forwarding function, which is only accessible by an authenticated user. The vulnerability is in the logSet.asp page and can be exploited through the ServerIP parameter. Authentication can be achieved by exploiting CVE-2017-18371.

Affected products

• Billion 5200w-T Firmware: version 7.3.8.0 only
• Zyxel P660HN-T1A v1 Firmware: version 7.3.37.6 only
• Zyxel P660HN-T1A v2 Firmware: version 7.3.37.6 only

Published 2019-05-02. Last modified 2026-06-17.