CVE-2025-61739

Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG reusing a nonce, key pair in encryption

Published Dec 22, 2025 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Description
Due to Nonce reuse, attackers can perform reply attack or decrypt captured packets.

Remediation

Vendor Solution

a. Update IQ Panel 4’s to version 4.6.1/4.6.1i b. Devices that support PowerG+ should use PowerG v53.05 or later. c. During the installation or enrollment of PowerG+ devices, enter the PIN code in the PIN Code field on the sensor enrollment screen. For additional security, Johnson Controls recommends only authorized company personnel or integrators be present during the pairing process d. Replace all End-of-Life Products (IQ Panel 2, IQ Panel 2+, IQ Hub) with the latest IQ Panel 4 using firmware version 4.6.1 or greater

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Johnsoncontrols
Johnsoncontrols iq Panels2
Johnsoncontrols iq Panels2+
Johnsoncontrols iqhub
Johnsoncontrols iqpanel 4
Johnsoncontrols powerg
Vendors & Products Johnsoncontrols
Johnsoncontrols iq Panels2
Johnsoncontrols iq Panels2+
Johnsoncontrols iqhub
Johnsoncontrols iqpanel 4
Johnsoncontrols powerg
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Due to Nonce reuse, attackers can perform reply attack or decrypt captured packets.
Title Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG reusing a nonce, key pair in encryption
Weaknesses CWE-323
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jci
Published
Updated
Dec 22, 2025, 1:09 PM
Reserved
Sep 30, 2025, 3:51 PM
Status
Deferred
Published
Dec 22, 2025, 11:15 AM
Modified
Oct 19, 2026, 10:10 PM