CVE-2025-8761: Instar 2k+

High severity, CVSS 7.5. EPSS: 8% chance of exploitation in the next 30 days.

A vulnerability has been found in INSTAR 2K+ and 4K 3.11.1 Build 1124. This vulnerability affects unknown code of the component Backend IPC Server. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Affected products

  • Instar 2k+: version 3.11.1 Build 1124 only
  • Instar 4k: version 3.11.1 Build 1124 only

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