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Vulnerability record · CVE-2025-56361 · published 14 July 2026

CVE-2025-56361: Csa-iot matter vulnerability

Csa Iot · Matter

A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) 1.3 thru 1.4, specifically within the Level Control cluster's server tick logic (`emberAfLevelControlClusterServerTickCallback`). When a MoveToLevel command is executed and followed by a conflicting write to the OperationMode attribute (in the Pump Configuration and Control cluster), an invariant check (`minLevel < currentLevel`) fails and causes the device to abort. This leads to a denial of service condition. The issue is confirmed in SDK versions 1.3 and 1.4 (commit ab3d5ae), and is triggered remotely without authentication.

7.5 CVSS 3.1 High EPSS 0.58% · top 54.5% CWE-617 · CWE-617
7.5CVSS 3.1 base score
0.58%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jul 2026Last modified by NVD

Description

A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) 1.3 thru 1.4, specifically within the Level Control cluster's server tick logic (`emberAfLevelControlClusterServerTickCallback`). When a MoveToLevel command is executed and followed by a conflicting write to the OperationMode attribute (in the Pump Configuration and Control cluster), an invariant check (`minLevel < currentLevel`) fails and causes the device to abort. This leads to a denial of service condition. The issue is confirmed in SDK versions 1.3 and 1.4 (commit ab3d5ae), and is triggered remotely without authentication.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/project-chip/connectedhomeip/ Product
https://github.com/project-chip/connectedhomeip/issues/38619 ExploitIssue Tracking
https://github.com/project-chip/connectedhomeip/issues/38619 ExploitIssue Tracking

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2025-56362Csa-iot matter vulnerabilityA reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.2, specifically within the Level Control cluster's periodic…EPSS 0.58%7.5CVE-2025-56363Csa-iot matter null pointer dereference vulnerabilityA null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, affecting the ReadRevisionAttribute function used i…EPSS 0.59%7.5CVE-2025-56364Csa-iot matter vulnerabilityA use of uninitialized value vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, where the `GetDestinationGroupId().Value()` metho…EPSS 0.58%7.5CVE-2025-56365Csa-iot matter vulnerabilityA reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, in the interaction model command processing logic. When …EPSS 0.62%6.5CVE-2024-3297Csa-iot matter uncontrolled resource consumption vulnerabilityAn issue in the Certificate Authenticated Session Establishment (CASE) protocol for establishing secure sessions between two devices, as implemented …EPSS 0.15%3.5CVE-2024-3454Csa-iot matter error message information leak vulnerabilityAn implementation issue in the Connectivity Standards Alliance Matter 1.2 protocol as used in the connectedhomeip SDK allows a third party to disclos…EPSS 0.21%

Source: NIST National Vulnerability Database (record CVE-2025-56361), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.