PatchTheCVECVE-2020-9058: Z-Wave devices based on Silicon Labs 500 series chipsets using CRC-16 encapsulation, including but likely not
CVE-2020-9058 is a high-severity flaw (CVSS 8.1) affecting 500 series firmware, dm501, zw4201. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 8.1 (High) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 77%) |
| CISA exploited list | No |
| Weakness | CWE-311 |
| Published | 2022-01-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-9058?
500 series firmware: mitigate or apply the listed mitigation; dm501: mitigate or apply the listed mitigation; zw4201: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2020-9058 being exploited?
CVE-2020-9058 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-9058 affect?
CVE-2020-9058 affects 500 series firmware, dm501, zw4201. Severity is high (CVSS 8.1). 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
How urgent is CVE-2020-9058?
Priority 34/100. High severity
Related CVEs
- CVE-2020-9061 MEDIUM 6.5 MITIGATE MITIGATE Z-Wave devices using Silicon Labs 500 and 700 series chipsets, including but not likely limited to the SiLabs
- CVE-2020-9060 MEDIUM 6.5 MITIGATE MITIGATE Z-Wave devices based on Silicon Labs 500 series chipsets using S2, including but likely not limited to the Zoo
- CVE-2020-9059 MEDIUM 6.5 MITIGATE MITIGATE Z-Wave devices based on Silicon Labs 500 series chipsets using S0 authentication are susceptible to uncontroll