CVE-2025-7705

Authentication bypass due to compatibility mode enabled by default

Published Jul 22, 2025 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed

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.

Analysis

No analysis available yet

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

ABB

Switch Actuator 4 DU-83330

unaffected

Version	Status	Constraints
`All Versions`	affected	—

ABB

Switch actuator, door/light 4 DU -83330-500

unaffected

Version	Status	Constraints
`All Versions`	affected	—

No data.

No data available yet.

Remediation

No remediation available yet

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-22309	: 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.

Metrics

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.225% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A4556&LanguageCode=en&DocumentPartId=pdf&Action=Launch&_gl=11sgofnl_gcl_auMjA0NTI4OTE1Mi4xNzUzMTgxNTA2_gaMTIxMTUxMzg5MS4xNzUzMTgxNTA3_ga_46ZFBRSZNM*czE3NTMxODE1MDckbzEkZzEkdDE3NTMxODE2MDIkajYwJGwwJGgw

History

Jul 22, 2025 2:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Jul 22, 2025 12:15 PM Description updated View changes

Type	Values Removed	Values Added
Description	A vulnerability in ABB Switch Actuator 4 DU, ABB Switch actuator, door/light 4 DU -83330-500.This issue affects .	: 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.

Jul 22, 2025 12:00 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		A vulnerability in ABB Switch Actuator 4 DU, ABB Switch actuator, door/light 4 DU -83330-500.This issue affects .
Title		Authentication bypass due to compatibility mode enabled by default
Weaknesses		CWE-489
References		https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A4556&LanguageCode=en&DocumentPartId=pdf&Action=Launch&_gl=11sgofnl_gcl_auMjA0NTI4OTE1Mi4xNzUzMTgxNTA2_gaMTIxMTUxMzg5MS4xNzUzMTgxNTA3_ga_46ZFBRSZNM*czE3NTMxODE1MDckbzEkZzEkdDE3NTMxODE2MDIkajYwJGwwJGgw
Metrics		cvssV3_1 `{'score': 6.8, 'vector': 'CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}` cvssV4_0 `{'score': 8.6, 'vector': 'CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}`