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 6.9
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-12
- Original CVE updated
- 2026-06-12
- Advisory published
- 2026-06-12
- Advisory updated
- 2026-06-12
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].
Official resources
CVE-2026-42932 was published on 2026-06-12T19:16:27.650Z and has not been modified since then.