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I. Basic Information for CVE-2025-8761
Vulnerability Information

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Vulnerability Title
INSTAR 2K+/4K Backend IPC Server denial of service
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
INSTAR 2K+和INSTAR 4K 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
INSTAR 2K+和INSTAR 4K都是德国INSTAR公司的一款网络摄像头。 INSTAR 2K+和INSTAR 4K 3.11.1 Build 1124版本存在安全漏洞,该漏洞源于Backend IPC Server组件可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
INSTAR2K+ 3.11.1 Build 1124 -
INSTAR4K 3.11.1 Build 1124 -
II. Public POCs for CVE-2025-8761
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III. Intelligence Information for CVE-2025-8761
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IV. Related Vulnerabilities
V. Comments for CVE-2025-8761

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