CVE-2026-66282

In EmberZNet 9.1.1 and earlier, a malformed Publish Billing Period command can result in a…

Risk score: 40/100
CVSS: 6.0 v4.0
Exploit chance (30 days): 0.3%
Published: 22 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is: 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: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Yellow

CVSS 6.0 medium

References

https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000590.md

Original 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.

Last activity 22 Oct 2026. Patch Forecast updates every hour.