CVE-2026-101075A security vulnerability has been detected in Netcore NR289-GE 1.4.5102. The impacted element is the function system of the file /location_time.cgi of the component Location Time Handler. The manipulation of the argument mac leads to os command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.