CVE-2025-7705

Authentication bypass due to compatibility mode enabled by default

8.6 High

: 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.

Attack profile

How easy it is to exploit

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.22%Up 0.2 points since Jul 22, 2025

What each source reports

CVE List Score used 8.6

Authentication bypass due to compatibility mode enabled by default

Record: CVE-2025-7705
CVSS 4.0: 8.6 HighCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-489
Updated: 2026-11-02

EUVDEUVD-2025-22309 8.6

Record: EUVD-2025-22309
CVSS 4.0: 8.6 HighCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-7cwr-3892-8m78 8.6

: Active Debug Code vulnerability in ABB Switch Actuator 4 DU-83330, ABB Switch actuator, door...

Record: GHSA-7cwr-3892-8m78
CVSS 4.0: 8.6 HighCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-489
Updated: 2026-11-02

NVD 8.6

Record: CVE-2025-7705
CVSS 4.0: 8.6 HighCVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-489
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-7705 is a high vulnerability (CVSS 8.6) in Abb Switch Actuator 4 Du-83330, published July 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 13th percentile. No source names a fixed version.