CVE-2026-47153
CVE-2026-47153 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-369.
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-2026-39353
- Weakness: CWE-369
- Affected product: Silabs Emberznet
- Published:
- Last modified:
Description
In EmberZNet v9.0.2 and earlier, a malformed Level Control Step command can terminate the process through a divide-by-zero fault. This command must come from a device that has already joined the network. Only devices supporting the Level Control cluster may be impacted.
Frequently asked questions
- What is CVE-2026-47153?
- In EmberZNet v9.0.2 and earlier, a malformed Level Control Step command can terminate the process through a divide-by-zero fault. This command must come from a device that has already joined the network. Only devices supporting the Level Control cluster may be impacted.
- How severe is CVE-2026-47153?
- CVE-2026-47153 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-2026-47153 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-2026-47153?
- CVE-2026-47153 affects Silabs Emberznet. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-47153?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-47153 have an EU (EUVD) identifier?
- Yes. CVE-2026-47153 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39353.
- When was CVE-2026-47153 published?
- CVE-2026-47153 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:*:*:*:*:*:*:*:*
More vulnerabilities in Silabs Emberznet
- CVE-2023-41094 — Critical (CVSS 10.0): TouchLink packets processed after timeout or out of range due to Operation on a Resource after Expiration and Missing…
- CVE-2026-47151 — High (CVSS 7.1): In EmberZNet v9.0.2 and earlier, malformed ClearWeekdaySchedule messages can trigger out-of-bounds writes into Door…
- CVE-2026-47150 — High (CVSS 7.1): In EmberZNet v9.0.2 and earlier, malformed IAS Zone enrollment messages can trigger an out-of-bounds state-table write…
- CVE-2026-47147 — High (CVSS 7.1): In EmberZNet v9.0.2 and earlier, malformed OTA requests can drive the OTA server parser into out-of-bounds reads. A…
- CVE-2026-4526 — Medium (CVSS 6.5): In EmberZNet v9.0.2 and earlier, malformed global ZCL messages can trigger out-of-bounds reads in framework parsing…
- CVE-2026-47154 — Medium (CVSS 6.5): In EmberZNet v9.0.2 and earlier, a malformed GetProfileResponse message can trigger out-of-bounds reads while iterating…
All CVEs affecting Silabs Emberznet →
Other CWE-369 (Divide By Zero) vulnerabilities
- CVE-2021-32494 — Critical (CVSS 10.0): Radare2 has a division by zero vulnerability in Mach-O parser's rebase_buffer function. This allow attackers to create…
- CVE-2017-11720 — Critical (CVSS 9.8): There is a division-by-zero vulnerability in LAME 3.99.5, caused by a malformed input file.
- CVE-2020-20892 — High (CVSS 8.8): An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers…
- CVE-2025-4637 — High (CVSS 8.7): Divide By Zero vulnerability in davisking dlib allows remote attackers to cause a denial of service via a crafted…
- CVE-2026-37232 — High (CVSS 8.6): An issue was discovered in OpenAirInterface5G 2.4.0 (nr-softmodem) in the E2SM-KPM RAN Function's PRB utilization…
- CVE-2024-26945 — High (CVSS 8.4): In the Linux kernel, the following vulnerability has been resolved: crypto: iaa - Fix nr_cpus < nr_iaa case If…