Vulnerability · Published Oct 22, 2026 · Assigned by Silabs

CVE-2026-94502Out-of-bounds write in Zigbee Publish Price Matrix handling

High 7.5

In plain English

A high-severity stack buffer overflow 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 0.7% (higher than 52% of all known vulnerabilities).

Severity (CVSS 4.0)7.5High
Exploit odds (30 days)0.7%top 48.4% 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 Price Matrix command can result in an out-of-bounds write potentially leading to remote code execution. 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)

VendorProductVersions
Silicon Labs EmberZNet 0 – through 9.1.1

Weakness: CWE-121 · Vector: CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References