Z-Wave devices based on Silicon Labs 500 series chipsets using CRC-16 encapsulation, including but likely not limited to the Linear LB60Z-1 version 3.5, Dome DM501 version 4.26, and Jasco ZW4201 version 4.05, do not implement encryption or replay protection.
CVSS v4.0 Metrics
Exploitability
Attack VectorAdjacent
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 4.9 → 6.7 |
| 2026-07-21 | nvd | AV: P→A, AC: H→L, PR: H→N, UI: A→N, VC: N→H, VI: N→H | 0.0 → 4.9 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| Dome | DM501 | 4.26 |
| dome | dm501 | 4.26 |
| Jasco | ZW4201 | 4.05 |
| jasco | zw4201 | 4.05 |
| linear | lb60z-1 | 3.5 |
| Linear | LB60Z-1 | 3.5 |
| silabs | 500_series_firmware | All versions |
| Silicon Labs | 500 series | all |
Published: 2022-01-07
