CVE-2025-26379

Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG use of Cryptographically Weak Pseudo-Random Number Generator

Published Dec 22, 2025 CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Description
Use of a weak pseudo-random number generator, which may allow an attacker to read or inject encrypted PowerG 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 Use of a weak pseudo-random number generator, which may allow an attacker to read or inject encrypted PowerG packets.
Title Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG use of Cryptographically Weak Pseudo-Random Number Generator
Weaknesses CWE-338
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, 4:19 PM
Reserved
Feb 7, 2025, 2:15 PM
Status
Deferred
Published
Dec 22, 2025, 3:16 PM
Modified
Oct 14, 2026, 7:10 PM