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CVE-2026-94502

Out-of-bounds write in Zigbee Publish Price Matrix handling

CRITICAL
9.8
CVSS Score
Published: October 22, 2026 at 01:45 PM UTC
Updated: October 29, 2026 at 01:00 PM UTC
2 products affected across 2 vendorsEmberznetEmberZNet

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Severity
CRITICAL9.8
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Emberznet· Silabs
95%
v ≤ 9.1.1
EmberZNet· Silicon
90%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryMitigationPatch
Source: cverecord
https://github.com/SiliconLabsSoftware/docs-security-advisories/blob/main/Advisories/500-599/A-00000589.md

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-121

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