CVE-2026-28522
arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service
- State
- Published
- Severity
- 7.1 High
- Published
- Mar 15, 2026
- Updated
- May 26, 2026
- Reserved
- Feb 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | 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 | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
arduino-TuyaOpenTuya |
|
References
- Tuya SRC Security Advisoryvendor-advisory
- arduino-TuyaOpen GitHub Repositoryproduct
- VulnCheck Advisory: arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Servicethird-party-advisory
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