CVE-2025-8761 – INSTAR Denial of Service Vulnerability in Backend IPC Server

The following table lists the changes that have been made to the
CVE-2025-8761 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 13, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CWE CWE-404
    Added Reference https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf
    Added Reference https://vuldb.com/?ctiid.319864
    Added Reference https://vuldb.com/?id.319864
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