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Vulnerability record · CVE-2025-8761 · published 13 August 2025

CVE-2025-8761: Improper resource shutdown vulnerability

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.

7.7 CVSS 4.0 High EPSS 8.0% · top 5.4% CWE-404 · Improper resource shutdown Deferred
7.7CVSS 4.0 base score, v2 7.8
8.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/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:

References

LinkTags
https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf
https://vuldb.com/?ctiid.319864
https://vuldb.com/?id.319864

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-8761), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.