Vulnerability · Published Mar 15, 2026 · Assigned by VulnCheck
CVE-2026-28522arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service
Medium 6.5
In plain English
A medium-severity null pointer dereference in arduino-TuyaOpen from Tuya. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 80.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tuya | arduino-TuyaOpen | 0 – before 1.2.1 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- Tuya SRC Security Advisory vendor-advisory
- arduino-TuyaOpen GitHub Repository product
- VulnCheck Advisory: arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service third-party-advisory