CVE-2025-43989

Medium severity, CVSS 6.5. EPSS: 6.9% chance of exploitation in the next 30 days.

The /goform/formJsonAjaxReq POST endpoint of Shenzhen Tuoshi NR500-EA RG500UEAABxCOMSLICv3.4.2731.16.43 devices mishandles the set_timesetting action with the ntpserver0 parameter, which is used in a system command. By setting a username=admin cookie (bypassing normal session checks), an unauthenticated attacker can use that parameter to execute arbitrary OS commands.

Published 2025-08-13. Last modified 2026-06-17.