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Status published
High
CVE-2025-26379
Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG use of Cryptographically Weak Pseudo-Random Number Generator
Vulnerability Description
Use of a weak pseudo-random number generator, which may allow an attacker to read or inject encrypted PowerG packets.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- James Chambersof NCC Group
- and Sultan Qasim Khan NCC Group
References
More from Johnson Controls
View All →CVE-2025-61740
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High
7.2
CVE-2025-61739
Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG reusing a nonce, key pair in encryption
High
7.2
CVE-2025-61738
Johnson Controls PowerG and IQPanel cleartext transmission of sensitive information
Low
2.3
CVE-2025-61736
iSTAR- Improper Validation of Certificate Expiration
High
7.1
CVE-2025-43876
iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE, iSTAR Edge G2 - Authenticated web application command injection - get8021xSettings
High
8.7
Affected Vendor
Johnson Controls
View all reports →Affected Software
IQ Panels2, 2+, IQHub, IQPanel 4, PowerG
Vulnerable Versions:
IQ Panels2, IQ Panel 2+, IQHub, IQPanel 4, PowerG
Timeline
Official Publish:
December 22nd, 2025
Last Modified:
December 22nd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.