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CVE-2026-6432— Improper bounds validation in EmberZNet SDK

Quick assessment

Affected
Silicon Labs SiSDK
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 SiSDK是美国Silicon Labs公司的一个为32位无线SoC和微控制器提供的统一且核心的综合软件开发套件。 Silicon Labs SiSDK存在输入验证错误漏洞，该漏洞源于EmberZNet SDK组件边界验证不充分，可能导致崩溃或动态内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.40% · P31

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Silicon Labs SiSDK ≤ 2025.12 and earlier affected
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I. Basic Information for CVE-2026-6432

Vulnerability Information
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Vulnerability Title
Improper bounds validation in EmberZNet SDK
Source: CVE Program / CVE List V5
Vulnerability Description
Improper bounds validation in EmberZNet SDK versions 9.0.2 and earlier may result in crashes or dynamic memory leakage.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
长度参数不一致性处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs SiSDK 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs SiSDK是美国Silicon Labs公司的一个为32位无线SoC和微控制器提供的统一且核心的综合软件开发套件。 Silicon Labs SiSDK存在输入验证错误漏洞，该漏洞源于EmberZNet SDK组件边界验证不充分，可能导致崩溃或动态内存泄漏。
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 SiSDK 0 ~ 2025.12 and earlier -

II. Public POCs for CVE-2026-6432

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III. Intelligence Information for CVE-2026-6432

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Patches & Fixes for CVE-2026-6432 (1)

Other References for CVE-2026-6432 (1)

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

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-2026-47151 Door Lock ClearWeekdaySchedule invalid table index and write 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: SiSDK
Same vendor: Silicon Labs
Same weakness: CWE-130

V. Comments for CVE-2026-6432

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