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CVE-2022-24939

Malformed Zigbee packet with invalid destination address causes Assert

MEDIUM
6.5
CVSS Score
Published: November 17, 2022 at 11:35 PM UTC
Updated: June 17, 2026 at 04:32 AM UTC
3 products affected across 2 vendorsGecko Software Development KitZigbee EmberznetEmberZNet

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

A malformed packet containing an invalid destination address, causes a stack overflow in the Ember ZNet stack. This causes an assert which leads to a reset, immediately clearing the error.

Affected

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

Remediation

No guide yet

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

Patch and advisory references

References (2)

PatchThird Party Advisory
Source: [email protected]
https://github.com/SiliconLabs/gecko_sdk
Permissions RequiredVendor Advisory
Source: [email protected]
https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000IWDCwQAP?operationContext=S1

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.5MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119CWE-787

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