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CVE-2025-61739

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

HIGH
7.2
CVSS Score
Published: December 22, 2025 at 10:19 AM UTC
Updated: October 19, 2026 at 10:10 PM UTC
6 products affected across 2 vendorsIQ Panels2, 2+, IQHub, IQPanel 4, PowerGQolsys IQ Panel 4Qolsys IQ Hub

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Severity
HIGH7.2
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Due to Nonce reuse, attackers can perform reply attack or decrypt captured packets.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

IQ Panels2, 2+, IQHub, IQPanel 4, PowerG· Johnson Controls
90%
IQ Panels 2+ ≤ v ≤ 2+IQPanel 4 ≤ v ≤ 4.6.0IQPanel2 ≤ v ≤ 2IQ Panels 2+IQHubIQPanel 4IQPanel2
PowerG· Johnsoncontrols
60%
IQ Panels 2+ ≤ v ≤ 2+IQPanel 4 ≤ v ≤ 4.6.0IQPanel2 ≤ v ≤ 2IQ Panels 2+IQHubIQPanel 4IQPanel2
Qolsys IQ Hub· Johnsoncontrols
60%
IQ Panels 2+ ≤ v ≤ 2+IQPanel 4 ≤ v ≤ 4.6.0IQPanel2 ≤ v ≤ 2IQ Panels 2+IQHubIQPanel 4IQPanel2
Qolsys IQ Panel 2· Johnsoncontrols
60%
IQ Panels 2+ ≤ v ≤ 2+IQPanel 4 ≤ v ≤ 4.6.0IQPanel2 ≤ v ≤ 2IQ Panels 2+IQHubIQPanel 4IQPanel2
Qolsys Iq Panel 2-plus· Johnsoncontrols
60%
IQ Panels 2+ ≤ v ≤ 2+IQPanel 4 ≤ v ≤ 4.6.0IQPanel2 ≤ v ≤ 2IQ Panels 2+IQHubIQPanel 4IQPanel2
Qolsys IQ Panel 4· Johnsoncontrols
60%
IQ Panels 2+ ≤ v ≤ 2+IQPanel 4 ≤ v ≤ 4.6.0IQPanel2 ≤ v ≤ 2IQ Panels 2+IQHubIQPanel 4IQPanel2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
Source: cverecord
https://www.cisa.gov/news-events/ics-advisories/icsa-25-350-02

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHjci
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-323

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