VDB-337736 · CVE-2025-61739 · EUVD-2025-204703

Johnson Controls IQ Panels2/2+/IQHub/IQPanel 4/PowerG nonce re-use

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4 and PowerG. This vulnerability affects unknown code. Such manipulation leads to nonce re-use. This vulnerability is documented as CVE-2025-61739. The attack requires being on the local network. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Johnson Controls IQ Panels2, 2+, IQHub, IQPanel 4 and PowerG. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a nonce re-use vulnerability. Using CWE to declare the problem leads to CWE-323. Nonces should be used for the present occasion and only once. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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

The weakness was released by James Chambers. The advisory is shared for download at johnsoncontrols.com. This vulnerability is handled as CVE-2025-61739 since 09/30/2025. The exploitation is known to be easy. The attack needs to approached within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/22/2025). The MITRE ATT&CK project declares the attack technique as T1600.001.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-204703). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Johnson Controls

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Nonce re-use
CWE: CWE-323
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/30/2025 CVE reserved
12/22/2025 +83 days Advisory disclosed
12/22/2025 +0 days VulDB entry created
12/22/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: johnsoncontrols.com
Researcher: James Chambers
Status: Confirmed

CVE: CVE-2025-61739 (🔒)
GCVE (CVE): GCVE-0-2025-61739
GCVE (VulDB): GCVE-100-337736
EUVD: 🔒

Entryinfo

Created: 12/22/2025 11:54
Updated: 12/22/2025 18:49
Changes: 12/22/2025 11:54 (63), 12/22/2025 18:49 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.