What’s Vulnerable › Vulnerabilities

CVE-2025-61739: Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG reusing a nonce, key pair in encryption

• Severity: high (CVSS 7.2 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-22 · updated 2026-10-19
• Weakness: CWE-323

Description

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

Affected products

• Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4, PowerG: from IQPanel2 through 2; from IQ Panels 2+ through 2+; from IQPanel 4 through 4.6.0; IQHub

References

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

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