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Naxclow Smart Devices CVE-2026-42932

| EUVDEUVD-2026-36532 MEDIUM
Generation of Predictable Numbers or Identifiers (CWE-340)
2026-06-12 icscert GHSA-x87p-mc42-f63g
Information Disclosure Smart Doorbell X3 X Smart Home V720 Ix Cam
6.9
CVSS 4.0 · Vendor: icscert
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Severity by source

Vendor (icscert) PRIMARY
6.9 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
5.3 MEDIUM

Network-accessible unauthenticated endpoint; no scope change since only device IDs are disclosed; integrity and availability are unaffected.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (icscert).

CVSS VectorVendor: icscert

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jun 12, 2026 - 19:31 vuln.today

DescriptionCVE.org

Naxclow device identifiers use fixed manufacturing prefixes combined with sequential counters, producing a fully predictable and enumerable identifier space. Because the platform also exposes an endpoint that reveals the current identifier high-water mark, the active fleet can be enumerated.

AnalysisAI

Device identifier enumeration across Naxclow's IoT product line - including the Smart Doorbell X3, X Smart Home platform, V720, and IX Cam - allows unauthenticated remote attackers to build a complete inventory of active devices deployed in the field. The identifier scheme combines fixed manufacturing prefixes with sequential counters (CWE-340), and the platform compounds this by exposing an endpoint that reveals the current identifier high-water mark, effectively handing attackers a starting point for a full sweep. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Query public high-water mark API endpoint
Delivery
Extract current maximum device identifier
Exploit
Generate sequential ID list using known fixed prefix
Execution
Enumerate active Naxclow devices across fleet
Impact
Map device identifiers to physical deployments for follow-on targeting
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Vulnerability AssessmentAI

Exploitation No authentication is required (CVSS PR:N) and no special client configuration is needed (AC:L, AT:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 6.9 with vector AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N reflects a remotely exploitable, zero-authentication, low-complexity information disclosure flaw with limited confidentiality impact (device identifiers, not credentials or PII directly). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker sends a single HTTP request to the Naxclow platform's public identifier high-water mark endpoint to determine the current maximum device ID, then iterates sequentially through the predictable prefix+counter ID space to enumerate every active device in the fleet. The resulting device inventory reveals which physical locations have deployed Naxclow cameras and doorbells, enabling targeted follow-on attacks such as physical intrusion timing or device-specific exploitation. …
Remediation No vendor-released patch version has been identified at time of analysis; the CPE entries carry wildcard version ranges and no fixed-version advisory was referenced. … Detailed patch versions, workarounds, and compensating controls in full report.
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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-42932 vulnerability details – vuln.today
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