CVE-2025-8761

Name: CVE-2025-8761
Creator: NVD / NIST
Published: 2025-08-13T07:15:29.96+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.7/10EPSS 6.40%

Last modified Jun 17, 2026

CVE-2025-8761 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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. EPSS estimates a 6.40% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS 4.0

7.7/10

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:X/V:X/RE:X/U:X

EPSS Probability

6.40%

92.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-404

References

Timeline

Published: Aug 13, 2025
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2025-8761?

How severe is CVE-2025-8761?

CVE-2025-8761 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 6.40% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8761?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8761?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST