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

Severity: medium (CVSS 6.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-22 · updated 2026-06-17
Weakness: CWE-489

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.

Affected products

ABB Switch Actuator 4 DU-83330: all versions
ABB Switch actuator, door/light 4 DU -83330-500: all versions

References

https://search.abb.com/library/Download.aspx?DocumentID=9AKK108471A4556&LanguageCode=en&DocumentPartId=pdf&Action=Launch&_gl=1*1sgofnl*_gcl_au*MjA0NTI4OTE1Mi4xNzUzMTgxNTA2*_ga*MTIxMTUxMzg5MS4xNzUzMTgxNTA3*_ga_46ZFBRSZNM*czE3NTMxODE1MDckbzEkZzEkdDE3NTMxODE2MDIkajYwJGwwJGgw

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