CVE-2025-8761 | INSTAR 2K+/4K 3.11.1 Build 1124 Backend IPC Server denial of service (MZ-25-03)

A vulnerability has been found in INSTAR 2K+ and 4K 3.11.1 Build 1124 and classified as critical. This vulnerability affects unknown code of the component Backend IPC Server. The manipulation leads to denial of service.

This vulnerability was named CVE-2025-8761. The attack can be initiated remotely. Furthermore, there is an exploit available.

It is recommended to apply restrictive firewalling.