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CVE-2026-47151— Door Lock ClearWeekdaySchedule invalid table index and write in EmberZNet v9.0.2

Quick assessment

Affected
Silicon Labs EmberZNet
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Silicon Labs EmberZNet是美国Silicon Labs公司的一个嵌入式无线网络协议栈软件。 Silicon Labs EmberZNet 9.0.2及之前版本存在缓冲区错误漏洞，该漏洞源于格式错误的ClearWeekdaySchedule消息触发越界写入，可能导致Door Lock调度状态受影响。

AI Predicted 7.4 Difficulty: Moderate EPSS 0.38% · P32

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Silicon Labs EmberZNet ≤ 9.0.2 affected
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I. Basic Information for CVE-2026-47151

Vulnerability Information
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Vulnerability Title
Door Lock ClearWeekdaySchedule invalid table index and write in EmberZNet v9.0.2
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs EmberZNet 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs EmberZNet是美国Silicon Labs公司的一个嵌入式无线网络协议栈软件。 Silicon Labs EmberZNet 9.0.2及之前版本存在缓冲区错误漏洞，该漏洞源于格式错误的ClearWeekdaySchedule消息触发越界写入，可能导致Door Lock调度状态受影响。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Silicon Labs EmberZNet 0 ~ 9.0.2 -

II. Public POCs for CVE-2026-47151

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III. Intelligence Information for CVE-2026-47151

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Vendor Pages for CVE-2026-47151 (1)

Same Patch Batch · Silicon Labs · 2026-06-25 · 13 CVEs total

CVE-2026-6432 5.3 MEDIUM Improper bounds validation in EmberZNet SDK
CVE-2026-47149 Door Lock GetUserType invalid table index in EmberZNet v9.0.2
CVE-2026-47154 Simple Metering GetProfileResponse interval-bounds bug in EmberZNet v9.0.2
CVE-2026-47152 Level Control Move divide-by-zero in EmberZNet v9.0.2
CVE-2026-47145 Color Control hue/saturation assertion abort in EmberZNet v9.0.2
CVE-2026-47153 Level Control Step With On/Off divide-by-zero in EmberZNet v9.0.2
CVE-2026-47146 Color Control color-temperature assertion abort in EmberZNet v9.0.2
CVE-2026-47147 OTA server raw parser missing per-field bounds validation in EmberZNet v9.0.2
CVE-2026-47148 Groups GetGroupMembership count/list-length mismatch in EmberZNet v9.0.2
CVE-2026-47150 IAS Zone enroll invalid table index and write in EmberZNet 9.0.2
CVE-2026-2815 Incorrect use of the PUF key for user key generation in EFR32xG27 results in predictable k
CVE-2026-4526 Global ZCL command parser missing minimum-length validation in EmberZNet v9.0.2

IV. Related Vulnerabilities

Same product: EmberZNet
Same vendor: Silicon Labs
Same weakness: CWE-787