CVE-2021-27289
April 15, 2025, 6:39 p.m.
None
No Score
Description
A replay attack vulnerability was discovered in a Zigbee smart home kit manufactured by Ksix (Zigbee Gateway Module = v1.0.3, Door Sensor = v1.0.7, Motion Sensor = v1.0.12), where the Zigbee anti-replay mechanism - based on the frame counter field - is improperly implemented. As a result, an attacker within wireless range can resend captured packets with a higher sequence number, which the devices incorrectly accept as legitimate messages. This allows spoofed commands to be injected without authentication, triggering false alerts and misleading the user through notifications in the mobile application used to monitor the network.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Ksix |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | ksix | zigbee_gateway_module | 1.0.3 | / | / | / | / | / | / | / |
| a | ksix | door_sensor | 1.0.7 | / | / | / | / | / | / | / |
| a | ksix | motion_sensor | 1.0.12 | / | / | / | / | / | / | / |
References
Tags
Timeline
Published: April 15, 2025, 6:15 p.m.
Last Modified: April 15, 2025, 6:39 p.m.
Last Modified: April 15, 2025, 6:39 p.m.
Status : Awaiting Analysis
CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.
More infoSource
cve@mitre.org
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.