How severe is CVE-2026-47151?

CVE-2026-47151 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2026-47151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-47151?

CVE-2026-47151 affects Silabs Emberznet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-47151?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-47151 have an EU (EUVD) identifier?

Yes. CVE-2026-47151 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39406.

When was CVE-2026-47151 published?

CVE-2026-47151 was published on 2026-06-25.

CVE-2026-47151

CVE-2026-47151 is a high-severity vulnerability in Silabs Emberznet with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v4: 7.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39406
Weakness: CWE-787
Affected product: Silabs Emberznet
Published: 2026-06-25
Last modified: 2026-06-25

Description

In EmberZNet v9.0.2 and earlier, malformed ClearWeekdaySchedule messages can trigger out-of-bounds writes into Door Lock schedule state. The size and location of this data is limited. These messages must come from a device that has already joined the network. Only devices supporting the Door Lock cluster may be impacted.

Frequently asked questions

What is CVE-2026-47151?: In EmberZNet v9.0.2 and earlier, malformed ClearWeekdaySchedule messages can trigger out-of-bounds writes into Door Lock schedule state. The size and location of this data is limited. These messages must come from a device that has already joined the network. Only devices supporting the Door Lock cluster may be impacted.
How severe is CVE-2026-47151?: CVE-2026-47151 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2026-47151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-47151?: CVE-2026-47151 affects Silabs Emberznet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-47151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-47151 have an EU (EUVD) identifier?: Yes. CVE-2026-47151 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39406.
When was CVE-2026-47151 published?: CVE-2026-47151 was published on 2026-06-25.

References

Affected products (1)

cpe:2.3:a:silabs:emberznet:*:*:*:*:*:*:*:*

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