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I. Basic Information for CVE-2026-25818
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
HMS Networks Ewon Flexy with firmware before 15.0s4, Cosy+ with firmware 22.xx before 22.1s6, and Cosy+ with firmware 23.xx before 23.0s3 have weak entropy for authentication cookies, allowing an attacker with a stolen session cookie to find the user password by brute-forcing an encryption parameter.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
HMS Cosy+和HMS Ewon Flexy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HMS Cosy+和HMS Ewon Flexy都是瑞典HMS公司的产品。HMS Cosy+是一个用于工业远程访问的应用程序。HMS Ewon Flexy是一款远程接入网关设备。 HMS Cosy+和HMS Ewon Flexy存在安全漏洞,该漏洞源于身份验证Cookie的熵值较弱,可能导致通过暴力破解获取用户密码。以下产品及版本受到影响:Ewon Flexy 15.0s4之前版本和Cosy+ 22.1s6之前的22.xx版本、23.0s3之前的23.xx版本。
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
-n/a n/a -
II. Public POCs for CVE-2026-25818
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III. Intelligence Information for CVE-2026-25818
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IV. Related Vulnerabilities
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