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CVE-2025-41647— Lenze: Plaintext Password Disclosure in PLC Designer V4 Interface

Quick assessment

Affected
Lenze PLC Designer V4
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.

Lenze PLC Designer V4是美国Lenze公司的一款可编程逻辑控制器编程软件。 Lenze PLC Designer V4存在安全漏洞，该漏洞源于密码显示为明文，可能导致低权限攻击者获取密码。

CVSS 5.5 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
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I. Basic Information for CVE-2025-41647

Vulnerability Information
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Vulnerability Title
Lenze: Plaintext Password Disclosure in PLC Designer V4 Interface
Source: CVE Program / CVE List V5
Vulnerability Description
A local, low-privileged attacker can learn the password of the connected controller in PLC Designer V4 due to an incorrect implementation that results in the password being displayed in plain text under special conditions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
Lenze PLC Designer V4 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Lenze PLC Designer V4是美国Lenze公司的一款可编程逻辑控制器编程软件。 Lenze PLC Designer V4存在安全漏洞，该漏洞源于密码显示为明文，可能导致低权限攻击者获取密码。
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
Lenze PLC Designer V4 0.0.0 ~ 4.0.0 -

II. Public POCs for CVE-2025-41647

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III. Intelligence Information for CVE-2025-41647

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IV. Related Vulnerabilities

Same vendor: Lenze
Same weakness: CWE-312

V. Comments for CVE-2025-41647

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