Security readout for executives and security teams
Plain-English summary
This vulnerability can let an unauthenticated network attacker crash software built on affected Matter SDK code by sending a bad command request. It does not expose data or alter settings in the cited CVSS, but it can disrupt device or service availability. Public sources say the bug was fixed in PR #37207; they do not show active exploitation.
Executive priority
Treat this as a high-priority availability risk where Matter-enabled products support business operations or customer uptime. Patch planning should start now, but public evidence does not justify emergency exploitation assumptions.
Technical view
In connectedhomeip before 1.4.0, CodegenDataModelProvider::Invoke misses validation for nonexistent endpoint and cluster targets. Command processing can reach a VerifyOrDie in ProcessCommandDataIB, causing SIGABRT. The published CVSS is 7.5 because the attack is network-reachable, low-complexity, unauthenticated, and impacts availability only.
Likely exposure
Exposure is likely in products, firmware, gateways, controllers, or services embedding Matter SDK connectedhomeip versions before 1.4.0. The source bundle does not identify specific vendors, packages, CPEs, or deployed product names.
Exploitation context
No KEV listing or cited source indicates active exploitation. The issue is described as a denial-of-service crash through malformed command processing, not as data theft, privilege escalation, or code execution.
Researcher notes
The record lacks affected CPEs and named downstream products, so asset discovery must focus on embedded SDK provenance. Keep analysis bounded to availability impact unless additional vendor advisories document broader behavior.
Mitigation direction
- Inventory products and firmware that embed Matter SDK connectedhomeip.
- Update affected connectedhomeip code to the release or revision containing PR #37207.
- Check vendor advisories for product-specific fixed firmware or SDK versions.
- Prioritize internet- or untrusted-network-exposed Matter services.
- Monitor for repeated crash patterns consistent with command-processing SIGABRT.
Validation and detection
- Confirm connectedhomeip version or commit in each build and firmware image.
- Verify whether PR #37207 or equivalent validation logic is present.
- Review crash telemetry for ProcessCommandDataIB or VerifyOrDie failures.
- Run vendor-safe regression tests for invalid command targets in a lab.
- Confirm malformed command handling returns an error without terminating the process.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-617: Exact CWE lookup
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Open ATT&CK lookupCVE-2025-56365 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/project-chip/connectedhomeip/issues/37184CVE reference, mitre
- https://github.com/project-chip/connectedhomeip/pull/37207CVE reference, mitre
- https://github.com/project-chip/connectedhomeip/CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Reachable Assertion
Reachable Assertion represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.