CVE-2026-28522CWE-476
arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service
High · published March 15, 2026
What it is
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.
The record
Technical detail
- CVSS v4.0
- 7.1 · HIGH
- Vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- EPSS
- 0.00354 · 27.9th percentile
- Weakness
- CWE-476 · NULL Pointer Dereference
- Published
- 2026-03-15T13:36Z
EPSS history
Timeline