CVE-2026-28522CWE-476

arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service

High · published March 15, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
27.9
In the wild
Unconfirmed
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
  • 15 MAR 13:36Z
    arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service
    cvelistv5