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CVE-2025-8761

INSTAR 2K+/4K Backend IPC Server denial of service

HIGH
7.5
CVSS Score
Published: August 13, 2025 at 06:14 AM UTC
Updated: June 17, 2026 at 10:07 AM UTC
2 products affected across 1 vendor2K Plus4K

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Severity
HIGH7.5
Exploit prediction
EPSS 9%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

RelatedExploit
Source: [email protected]
https://modzero.com/static/MZ-25-03_modzero_INSTAR.pdf
SignaturePermissions Required
Source: [email protected]
https://vuldb.com/?ctiid.319864
VDB Entry
Source: [email protected]
https://vuldb.com/?id.319864

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-404

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