CVE-2025-8761

HIGH

INSTAR 2K+ & 4K <3.11.1 Build 1124 - DoS

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Permissions Required, VDB Entry vdb-entry
https://vuldb.com/?id.319864
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.319864

Scores

CVSS v3 7.5
EPSS 0.0640
EPSS Percentile 92.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-404
Status published
Products (2)
INSTAR/2K+ 3.11.1 Build 1124
INSTAR/4K 3.11.1 Build 1124
Published Aug 13, 2025
Tracked Since Feb 18, 2026