CVE-2022-28491: Totolink CP900 Firmware

Critical severity, CVSS 9.8. EPSS: 4.7% chance of exploitation in the next 30 days.

TOTOLink outdoor CPE CP900 V6.3c.566_B20171026 contains a command injection vulnerability in the NTPSyncWithHost function via the host_name parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Affected products

• Totolink CP900 Firmware: version 6.3c.566_b20171026 only

Published 2023-03-23. Last modified 2026-06-17.