CVE-2026-110124
FastBee through 2.1.0 IDOR via DeviceController /iot/device Endpoints
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
FastBee through 2.1.0 contains an insecure direct object reference vulnerability in DeviceController that allows authenticated low-privilege users to read and modify other tenants' devices by supplying sequential device IDs. Self-registered attackers can enumerate deviceId or serialNumber values to read owner, IP, and location data, and overwrite user_id and tenant_id to take over devices.
| CWE | CWE-639 |
| Vendor | kerwincui |
| Product | fastbee |
| Published | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
kerwincui / FastBee
0 ≤ 2.1.0
References
hackmd.io: https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/fastbee-device-ownership-idor github.com: https://github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-service/fastbee-iot-service/src/main/java/com/fastbee/iot/service/impl/DeviceServiceImpl.java#L105-L125 github.com: https://github.com/kerwincui/FastBee/blob/v2.1.0/springboot/fastbee-open-api/src/main/java/com/fastbee/data/controller/DeviceController.java#L119-L211 github.com: https://github.com/kerwincui/FastBee/blob/v1.2.1/springboot/wumei-iot/src/main/java/com/ruoyi/iot/controller/DeviceController.java#L118-L213 vulncheck.com: https://www.vulncheck.com/advisories/fastbee-through-2.1.0-idor-via-devicecontroller-iot-device-endpoints
Credits
hieuPenguinnn