CVE-2026-66282— Authenticated Denial-of-Service in Zigbee Publish Billing Period
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.
在 EmberZNet 9.1.1 及更早版本中，畸形的“发布计费周期”（Publish Billing Period）命令可能导致递归函数调用，且该调用永远无法达到终止条件。此类消息必须来自已加入网络的设备。仅支持“价格簇”（Price Cluster）的设备会受到影响。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-66282
Vulnerability Information
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Vulnerability Title
Authenticated Denial-of-Service in Zigbee Publish Billing Period
Source: CVE Program / CVE List V5
Vulnerability Description
In EmberZNet 9.1.1 and earlier, a malformed Publish Billing Period command can result in a recursive function call that will never reach its end condition. These messages must come from a device that has already joined the network. Only devices supporting the Price Cluster are impacted.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Silicon Labs | EmberZNet | 0 ~ 9.1.1 | - |
|
II. Public POCs for CVE-2026-66282
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-66282 (1)
Same Patch Batch · Silicon Labs · 2026-10-22 · 8 CVEs total
| CVE-2026-94502 | 7.5 HIGH | Out-of-bounds write in Zigbee Publish Price Matrix handling |
| CVE-2026-85079 | 7.5 HIGH | Out-of-bounds write in Zigbee Simple_Desc_req handling |
| CVE-2026-66279 | 7.2 HIGH | Dis-connect vulnerability in Connect Stack |
| CVE-2026-85080 | 6.0 MEDIUM | Authenticated Denial-of-Service in Zigbee GetGroupMembership Handling |
| CVE-2026-66281 | 6.0 MEDIUM | Authenticated Denial-of-Service in Zigbee Discover Attributes Handling |
| CVE-2026-89409 | 5.3 MEDIUM | Unvalidated ZWAVE_CMD_NODES_EXIST May Cause Deletion of End Nodes |
| CVE-2026-89410 | 5.1 MEDIUM | Out-of-bounds read in Z-Wave NCP SPI Handler |
IV. Related Vulnerabilities
Same product: EmberZNet
-
CVE-2026-85079
Out-of-bounds write in Zigbee Simple_Desc_req handling -
CVE-2026-94502
Out-of-bounds write in Zigbee Publish Price Matrix handling -
CVE-2026-66281
Authenticated Denial-of-Service in Zigbee Discover Attribute -
CVE-2026-85080
Authenticated Denial-of-Service in Zigbee GetGroupMembership -
CVE-2026-6432
Improper bounds validation in EmberZNet SDK
Same vendor: Silicon Labs
-
CVE-2026-89410
Out-of-bounds read in Z-Wave NCP SPI Handler -
CVE-2026-89409
Unvalidated ZWAVE_CMD_NODES_EXIST May Cause Deletion of End -
CVE-2026-85079
Out-of-bounds write in Zigbee Simple_Desc_req handling -
CVE-2026-94502
Out-of-bounds write in Zigbee Publish Price Matrix handling -
CVE-2026-66281
Authenticated Denial-of-Service in Zigbee Discover Attribute
Same weakness: CWE-674
-
CVE-2026-110974
Uncontrolled Recursion on Nested JSON Allows Denial of Servi -
CVE-2026-82230
Apache bRPC: Stack Exhaustion via Unbounded Recursion in mcp -
CVE-2026-54427
Apache bRPC: Stack Exhaustion via Unbounded Recursion in AMF -
CVE-2026-54426
Apache bRPC: Stack Exhaustion via Unbounded Recursion in Red -
CVE-2026-54425
Apache bRPC: Stack Exhaustion via Recursive HPACK Dynamic Ta
V. Comments for CVE-2026-66282
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