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TI-2025-35316 Aliases CVE-2025-56365GHSA-wj9x-8hv5-2p36

A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before…

Priority MEDIUM 59CWE-617Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-617.

Summary

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).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00284 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:csa-iot:matter:*:*:*:*:*:*:*:*before 1.4.0.0VulnerableCsa-iot
  • cpe:2.3:a:csa-iot:matter:*:*:*:*:*:*:*:* Versions before 1.4.0.0 Vulnerable ·Csa-iot

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-56365
  2. 2026-10-03 Alias added: GHSA-wj9x-8hv5-2p36
  3. 2026-10-05 CVSS score changed · CISA ADP
  4. 2026-10-05 CISA SSVC decision points changed
  5. 2026-10-05 Priority changed: HIGH → MEDIUM
  6. 2026-10-05 CVSS score added · NVD

References

Exploit 1

Patch 1

Other 1

  • TI-2025-35315 A use of uninitialized value vulnerability exists in the Matter SDK (connectedhomeip)… CVSS 3.1MEDIUM 5.7
  • TI-2025-35314 A null pointer dereference vulnerability exists in the Matter SDK (connectedhomeip)… CVSS 3.1MEDIUM 5.7
  • TI-2025-35313 A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) before… CVSS 3.1MEDIUM 5.7
  • TI-2025-35312 A reachable assertion vulnerability exists in the Matter SDK (connectedhomeip) 1.3 thru… CVSS 3.1MEDIUM 5.7
  • TI-2024-03091 Session establishment lock-up during replay of CASE Sigma1 messages CVSS 3.1MEDIUM 6.5
  • TI-2024-03219 In-Fabric Matter Cluster Attribute Disclosure CVSS 3.1LOW 3.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences