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CVE-2026-28522

HIGH CVSS 4.0: 7.1 EPSS 0.01%
Updated Mar 17, 2026
Tuya
Parameter Value
CVSS 7.1 (HIGH)
Affected Versions before 1.2.1
Fixed In 1.2.1
Type CWE-476 (NULL Pointer Dereference)
Vendor Tuya
Public PoC No

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 to cause memory exhaustion on the device, triggering a null pointer dereference and resulting in a denial-of-service condition.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Tuya Arduino-Tuyaopen
cpe:2.3:a:tuya:arduino-tuyaopen:*:*:*:*:*:*:*:*
1.2.1