Description
Z-Wave devices from Sierra Designs (circa 2013) and Silicon Labs (using S0 security) may use a known, shared network key of all zeros, allowing an attacker within radio range to spoof Z-Wave traffic.
Metrics
CVSS 3.1 8.3/10
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Silicon Labs | Z-Wave | S0 |
| Sierra Designs | Z-Wave | >= S0, < S0 |
References
- https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/Third Party Advisory
- https://sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdfTechnical Description, Third Party Advisory
- https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/Exploit, Third Party Advisory
- https://orangecyberdefense.com/global/blog/sensepost/blackhat-conference-z-wave-security/Third Party Advisory
- https://sensepost.com/cms/resources/conferences/2013/bh_zwave/Security%20Evaluation%20of%20Z-Wave_WP.pdfTechnical Description, Third Party Advisory
- https://www.pentestpartners.com/security-blog/z-shave-exploiting-z-wave-downgrade-attacks/Exploit, Third Party Advisory
Timeline
- Published
- Feb 4, 2022
- Last modified
- Jun 16, 2026
- NVD status
- Modified