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CVE-2025-27594— Unencrypted transmission of password hash

Quick assessment

Affected
SICK AG SICK DL100-2xxxxxxx
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SICK DL100-2xxxxxxx是德国西克（SICK）公司的一系列传感器。 SICK DL100-2xxxxxxx存在安全漏洞，该漏洞源于使用未加密的专有协议进行通信，可能导致拦截认证哈希并用于登录设备。

CVSS 7.5 · High EPSS 0.44% · P36
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I. Basic Information for CVE-2025-27594

Vulnerability Information
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Vulnerability Title
Unencrypted transmission of password hash
Source: CVE Program / CVE List V5
Vulnerability Description
The device uses an unencrypted, proprietary protocol for communication. Through this protocol, configuration data is transmitted and device authentication is performed. An attacker can thereby intercept the authentication hash and use it to log into the device using a pass-the-hash attack.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
SICK DL100-2xxxxxxx 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SICK DL100-2xxxxxxx是德国西克（SICK）公司的一系列传感器。 SICK DL100-2xxxxxxx存在安全漏洞，该漏洞源于使用未加密的专有协议进行通信，可能导致拦截认证哈希并用于登录设备。
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

Vendor Product Affected Versions CPE Subscribe
SICK AG SICK DL100-2xxxxxxx all versions -

II. Public POCs for CVE-2025-27594

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III. Intelligence Information for CVE-2025-27594

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Other References for CVE-2025-27594 (1)

Same Patch Batch · SICK AG · 2025-03-14 · 3 CVEs total

CVE-2025-27595 9.8 CRITICAL Weak hashing alghrythm
CVE-2025-27593 9.3 CRITICAL RCE due to Device Driver

IV. Related Vulnerabilities

Same product: SICK DL100-2xxxxxxx
Same vendor: SICK AG
Same weakness: CWE-319

V. Comments for CVE-2025-27594

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