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CVE-2025-7705— Authentication bypass due to compatibility mode enabled by default

Quick assessment

Affected
ABB Switch Actuator 4 DU-83330
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.

ABB Switch Actuator 4 DU-83330是瑞士ABB公司的一款用于照明控制的开关。 ABB Switch Actuator 4 DU-83330存在安全漏洞，该漏洞源于活动调试代码。

CVSS 6.8 · Medium EPSS 0.22% · P13

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-7705

Vulnerability Information
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Vulnerability Title
Authentication bypass due to compatibility mode enabled by default
Source: CVE Program / CVE List V5
Vulnerability Description
: Active Debug Code vulnerability in ABB Switch Actuator 4 DU-83330, ABB Switch actuator, door/light 4 DU -83330-500.This issue affects Switch Actuator 4 DU-83330: All Versions; Switch actuator, door/light 4 DU -83330-500: All Versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
遗留的调试代码
Source: CVE Program / CVE List V5
Vulnerability Title
ABB Switch Actuator 4 DU-83330 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ABB Switch Actuator 4 DU-83330是瑞士ABB公司的一款用于照明控制的开关。 ABB Switch Actuator 4 DU-83330存在安全漏洞，该漏洞源于活动调试代码。
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
ABB Switch Actuator 4 DU-83330 All Versions -
ABB Switch actuator, door/light 4 DU -83330-500 All Versions -

II. Public POCs for CVE-2025-7705

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III. Intelligence Information for CVE-2025-7705

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IV. Related Vulnerabilities

Same vendor: ABB
Same weakness: CWE-489