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PatchSiren cyber security CVE debrief

CVE-2026-42932 Naxclow CVE debrief

CVE-2026-42932 is a vulnerability in Naxclow device identifiers. The identifiers use fixed manufacturing prefixes combined with sequential counters, producing a fully predictable and enumerable identifier space. The platform also exposes an endpoint that reveals the current identifier high-water mark, allowing the active fleet to be enumerated. The CVSS score for this vulnerability is 6.9, and the severity is classified as MEDIUM.

Vendor
Naxclow
Product
Smart Doorbell X3
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-11
Advisory published
2026-06-11
Advisory updated
2026-06-11

Who should care

Users of Naxclow devices should be aware of this vulnerability and take necessary precautions to mitigate the risk.

Technical summary

The Naxclow device identifiers are generated using fixed manufacturing prefixes combined with sequential counters. This results in a fully predictable and enumerable identifier space. Additionally, the platform exposes an endpoint that reveals the current identifier high-water mark, allowing an attacker to enumerate the active fleet.

Defensive priority

MEDIUM

Recommended defensive actions

  • Review and update device identifier generation to use a more secure method.
  • Limit access to the endpoint that reveals the current identifier high-water mark.
  • Monitor device identifiers for suspicious activity.

Evidence notes

The CVE record for CVE-2026-42932 can be found at [cve-org]. The NVD detail for this vulnerability can be found at [nvd].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42932 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42932

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-42932 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42932

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.