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CVE Record

CVE-2025-56557: An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged control Matter device...

An issue discovered in the Tuya Smart Life App 5.6.1 allows attackers to unprivileged control Matter devices via the Matter protocol.

CriticalCVSS 9.1Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2025-56557 reports that Tuya Smart Life App 5.6.1 may allow unauthorized control of Matter devices. For organizations using Tuya-managed smart devices, the concern is loss of control over connected physical systems, not data theft alone.

Executive priority

Treat this as urgent for sites where Tuya-managed Matter devices control doors, cameras, sensors, or operational equipment. Prioritize inventory and vendor confirmation before assuming enterprise-wide exposure.

Technical view

The CVE describes unprivileged control of Matter devices through the Matter protocol in Tuya Smart Life App 5.6.1. CVSS 3.1 is 9.1 with network access, low complexity, no privileges, and no user interaction. The CVE record does not normalize affected vendor or product CPEs.

Likely exposure

Exposure is most likely where Tuya Smart Life App 5.6.1 is used to manage Matter-capable devices. The source bundle does not identify broader affected versions, firmware, platforms, or CPEs.

Exploitation context

The bundle does not show CISA KEV listing or cited evidence of active exploitation. It describes a serious remotely reachable weakness, but exploit status remains unconfirmed from the provided sources.

Researcher notes

Evidence is limited. The CVE lists vendor and product as n/a while the title and description name Tuya Smart Life App 5.6.1. No official patch details, exploit proof, or affected-version range are included in the bundle.

Mitigation direction

  • Check Tuya and Matter device vendor guidance for official fixes or mitigations.
  • Update Tuya Smart Life App if the vendor publishes a corrected version.
  • Avoid relying on version 5.6.1 for Matter device administration where possible.
  • Segment Matter-capable IoT devices from sensitive business networks.
  • Review device ownership and admin access for unexpected pairings or controllers.

Validation and detection

  • Inventory Tuya Smart Life App installations and record exact versions.
  • Identify Matter devices managed through Tuya Smart Life App 5.6.1.
  • Check vendor advisories for affected versions and fixed releases.
  • Review smart-device audit logs for unexpected controllers or control events.
  • Confirm mobile device management records do not show version 5.6.1 in use.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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cwe · low confidence lookup

CWE-250: Exact CWE lookup

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cve · low confidence lookup

CVE-2025-56557 mapping review

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.1 (3.1)
Known Exploited
No
Published

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

Official CVE source material

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.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
9.1CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N3.95.2CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

9.1Critical
CVSS 3.1 vector shape for CVE-2025-56557Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-250 · source CWE mapping

Execution with Unnecessary Privileges

Execution with Unnecessary Privileges represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.