CVE-2026-47149
CVE-2026-47149 is a medium-severity vulnerability in Silabs Emberznet with a CVSS 3.x base score of 6.5. 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-125.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v4: 7.1
- EPSS exploit prediction: 0% (16th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-39404
- Weakness: CWE-125
- Affected product: Silabs Emberznet
- Published:
- Last modified:
Description
In EmberZNet v9.0.2 and earlier, malformed or out-of-range Door Lock user identifiers can trigger out-of-bounds table reads and terminate the process. These messages must come from a device that has already joined the network, and no information leakage back to the sender was observed. Only devices supporting the Door Lock cluster may be impacted.
Frequently asked questions
- What is CVE-2026-47149?
- In EmberZNet v9.0.2 and earlier, malformed or out-of-range Door Lock user identifiers can trigger out-of-bounds table reads and terminate the process. These messages must come from a device that has already joined the network, and no information leakage back to the sender was observed. Only devices supporting the Door Lock cluster may be impacted.
- How severe is CVE-2026-47149?
- CVE-2026-47149 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-47149 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-47149?
- CVE-2026-47149 affects Silabs Emberznet. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-47149?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-47149 have an EU (EUVD) identifier?
- Yes. CVE-2026-47149 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39404.
- When was CVE-2026-47149 published?
- CVE-2026-47149 was published on 2026-06-25.
References
- https://github.com/SiliconLabsSoftware/sisdk-release/
- https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000pEGPQIA4?operationContext=S1
Affected products (1)
- cpe:2.3:a:silabs:emberznet:*:*:*:*:*:*:*:*
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All CVEs affecting Silabs Emberznet →
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