CVE-2025-61739
Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG reusing a nonce, key pair in encryption
5.3CVSSMEDIUM
Description
Due to Nonce reuse, attackers can perform reply attack or decrypt captured packets.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:NIntegrityNone
A:NAvailabilityNone
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://www.johnsoncontrols.com/trust-center/cybersecurity/security-advisories
johnsoncontrols.com
https://www.cisa.gov/news-events/ics-advisories/icsa-25-350-02
cisa.gov
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-350-02.json
raw.githubusercontent.com
and 24 more references View all →
Timeline
Published
Dec 22, 2025
Last Updated
Dec 23, 2025
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