TI-2026-34739 Aliases CVE-2026-47149 GHSA-4g44-cv7p-fgrg

Door Lock GetUserType invalid table index in EmberZNet v9.0.2

LOW 38CWE-125Published 2026-06-25 · Updated 2026-06-25

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

In EmberZNet v9.0.2 and earlier, malformed or out-of-range Door Lock user identifiers can trigger out-of-bounds table reads and terminate the process. These messages must come from a device that has already joined the network, and no information leakage back to the sender was observed. Only devices supporting the Door Lock cluster may be impacted.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00436 38th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
silabs.com	EmberZNet	up to 9.0.2	—	No fix listed	CNA

EmberZNet Vendorsilabs.com Affected up to 9.0.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:silabs:emberznet::::::::	up to 9.0.2	Vulnerable	silabs.com

cpe:2.3:a:silabs:emberznet:*:*:*:*:*:*:*:* Versions up to 9.0.2 Vulnerable ·silabs.com

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Advisory · 2026-06-25
Silicon Labs EmberZNet — siliconlabs.lightning.force.com/sfc/servlet.shepherd/docume…
11 records Highest priority Priority LOW 11 LOW
Other records, highest priority first
- TI-2026-34744 Simple Metering GetProfileResponse interval-bounds bug in EmberZNet v9.0.2Priority LOW 38
- TI-2026-34743 Level Control Step With On/Off divide-by-zero in EmberZNet v9.0.2Priority LOW 38
- TI-2026-34742 Level Control Move divide-by-zero in EmberZNet v9.0.2Priority LOW 38
Show all 11 records → Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-47149
2026-10-03 Alias added: GHSA-4g44-cv7p-fgrg

References

Patch 1

https://github.com/SiliconLabsSoftware/sisdk-release/

Advisory 1

https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/069Vm00000pEGPQIA4?operationContext=S1

TI-2023-21716 Touchlink authentication bypass due to packets processed after timeout or out of range in Ember ZNet CVSS 3.1CRITICAL 10.0
TI-2022-08741 Malformed Zigbee packet causes Assert in EmberZNet 7.0.0 or earlier CVSS 3.1CRITICAL 9.8
TI-2023-28047 Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM CVSS 3.1CRITICAL 9.8
TI-2022-08742 Malformed Zigbee packet causes Assert in EmberZNet 7.0.1 or earlier CVSS 3.1HIGH 7.5
TI-2023-28049 Potential DoS for EFR32xxx parts in high traffic environments due to null buffer dereference / crash CVSS 3.1HIGH 7.5
TI-2023-28048 Potential DoS due to BusFault and Assert in Ember ZNet legacy packet buffer CVSS 3.1HIGH 7.5

See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences