Security readout for executives and security teams
Plain-English summary
This flaw can let an unauthenticated remote actor crash a Matter device or service built with vulnerable connectedhomeip SDK versions. The impact is availability only: the sources do not report data theft or code execution. Exposure depends on whether a product embeds the affected SDK and exposes the relevant Matter clusters.
Executive priority
Prioritize as a high availability risk for Matter-enabled products and environments where device downtime affects operations. Business urgency is highest for exposed, remotely reachable, or safety-adjacent deployments. Evidence does not support treating this as data compromise or active exploitation.
Technical view
CVE-2025-56362 is a CWE-617 reachable assertion in connectedhomeip before 1.4.2. The Level Control periodic server tick can violate a currentLevel/maxLevel assertion after a specific cross-cluster state change, causing process crash. CVSS 3.1 is 7.5: network reachable, low complexity, no privileges, no user interaction, high availability impact.
Likely exposure
Products using Matter SDK connectedhomeip 1.3 or 1.4, including commit ab3d5ae, may be exposed. The CVE data lists vendor and product as n/a, so downstream affected devices and firmware lines are not identified in the provided sources.
Exploitation context
The source states remote unauthenticated denial of service is possible. It does not cite active exploitation, public weaponization, or CISA KEV listing. Treat exploit status as unconfirmed beyond the described crash condition.
Researcher notes
The public CVE data provides a precise SDK-level crash condition but incomplete downstream product mapping. Focus triage on dependency provenance, cluster enablement, reachable Matter interfaces, and vendor firmware status. Avoid assuming all Matter devices are affected without confirming connectedhomeip version lineage.
Mitigation direction
- Upgrade connectedhomeip or Matter SDK integrations to 1.4.2 or later where applicable.
- Check downstream device or firmware vendor advisories for product-specific fixes.
- Reduce exposure of Matter control surfaces where business operations allow.
- Monitor affected devices for unexpected restarts or availability degradation.
- Prioritize fixes for internet-reachable or safety-relevant deployments.
Validation and detection
- Inventory products and firmware that embed connectedhomeip or Matter SDK.
- Check SBOMs and build records for connectedhomeip 1.3, 1.4, or commit ab3d5ae.
- Confirm whether relevant Matter clusters are enabled in deployed products.
- Review vendor advisories for mapped device models and patched firmware versions.
- Verify upgraded builds report connectedhomeip 1.4.2 or later.
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
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-56362 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/38618CVE 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.