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I. Basic Information for CVE-2025-11781
Vulnerability Information

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Vulnerability Title
Use of hardcoded cryptographic keys in Circutor SGE-PLC1000/SGE-PLC50
Source: NVD (National Vulnerability Database)
Vulnerability Description
Use of hardcoded cryptographic keys in Circutor SGE-PLC1000/SGE-PLC50 v9.0.2. The affected firmware contains a hardcoded static authentication key. An attacker with local access to the device can extract this key (e.g., by analysing the firmware image or memory dump) and create valid firmware update packages. This bypasses all intended access controls and grants full administrative privileges.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用硬编码的密码学密钥
Source: NVD (National Vulnerability Database)
Vulnerability Title
CIRCUTOR SGE-PLC1000和CIRCUTOR SGE-PLC50 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CIRCUTOR SGE-PLC1000和CIRCUTOR SGE-PLC50都是西班牙CIRCUTOR公司的一个网络集中器。 CIRCUTOR SGE-PLC1000和CIRCUTOR SGE-PLC50 v9.0.2版本存在安全漏洞,该漏洞源于固件包含硬编码密钥,可能导致绕过访问控制。
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
SGE-PLC1000 SGE-PLC50Circutor 9.0.2 -
II. Public POCs for CVE-2025-11781
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III. Intelligence Information for CVE-2025-11781
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