medium6.5
CVE-2026-28522
arduino-TuyaOpen before version 1.2.1 contains a null pointer dereference vulnerability in the WiFiUDP component.
Impact
arduino-TuyaOpen before version 1.2.1 contains a null pointer dereference vulnerability in the WiFiUDP component. An attacker on the same local area network can send a large volume of malicious UDP packets that trigger a null pointer dereference, resulting in a denial-of-service condition.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Tuya | Arduino-Tuyaopen | before 1.2.1 |