Vulnerability Details CVE-2025-56365
A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before 1.4.0, in the interaction model command processing logic. When an InvokeCommandRequest is sent to a nonexistent endpoint and cluster (e.g., 0x34), the code incorrectly treats the endpoint as valid due to missing checks in CodegenDataModelProvider::Invoke. This causes a VerifyOrDie failure in ProcessCommandDataIB and results in a crash (SIGABRT). The issue has been acknowledged and fixed in a later revision (PR #37207).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 27.2%
CVSS Severity
CVSS v3 Score 7.5
References
Products affected by CVE-2025-56365
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cpe:2.3:a:csa-iot:matter:-
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cpe:2.3:a:csa-iot:matter:1.0.0
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cpe:2.3:a:csa-iot:matter:1.0.0.1
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cpe:2.3:a:csa-iot:matter:1.0.0.2
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cpe:2.3:a:csa-iot:matter:1.1.0.0
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cpe:2.3:a:csa-iot:matter:1.1.0.1
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cpe:2.3:a:csa-iot:matter:1.1.0.2
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cpe:2.3:a:csa-iot:matter:1.2.0.0
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cpe:2.3:a:csa-iot:matter:1.2.0.1
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cpe:2.3:a:csa-iot:matter:1.3.0.0