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I. Basic Information for CVE-2025-55069
Vulnerability Information
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Vulnerability Title
AutomationDirect CLICK PLUS Predictable Seed in Pseudo-Random Number Generator
Source: NVD (National Vulnerability Database)
Vulnerability Description
A predictable seed in pseudo-random number generator vulnerability has been discovered in firmware version 3.60 of the Click Plus PLC. The vulnerability relies on the fact that the software implements a predictable seed for its pseudo-random number generator, which compromises the security of the generated private keys.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
PRNG中使用可预测种子
Source: NVD (National Vulnerability Database)
Vulnerability Title
AutomationDirect CLICK PLUS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AutomationDirect CLICK PLUS是美国AutomationDirect公司的一款小型可编程逻辑控制器。 AutomationDirect CLICK PLUS 3.60版本存在安全漏洞，该漏洞源于伪随机数生成器使用可预测种子，可能导致生成的私钥安全性受损。
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
AutomationDirectCLICK PLUS C0-0x CPU firmware 0 ~ v3.71 -
AutomationDirectCLICK PLUS C0-1x CPU firmware 0 ~ v3.71 -
AutomationDirectCLICK PLUS C2-x CPU firmware 0 ~ v3.71 -
II. Public POCs for CVE-2025-55069
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III. Intelligence Information for CVE-2025-55069
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IV. Related Vulnerabilities
Same product: CLICK PLUS C0-0x CPU firmware
Same vendor: AutomationDirect
Same weakness: CWE-337
V. Comments for CVE-2025-55069

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