Vulnerability · Published Oct 22, 2026 · Assigned by Silabs
CVE-2026-66282Authenticated Denial-of-Service in Zigbee Publish Billing Period
Medium 6.0
In plain English
A medium-severity security flaw in EmberZNet from Silicon Labs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 4.0)6.0Medium
Exploit odds (30 days)0.3%top 73.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Silicon Labs | EmberZNet | 0 – through 9.1.1 |
Weakness: CWE-674 · Vector: 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