CVE-2026-28522
low-risk
Published 2026-03-16
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.
Do I need to act?
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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10
Medium
ADJACENT_NETWORK
/ LOW complexity
Affected Products (1)
Arduino-Tuyaopen
Affected Vendors
References (3)
Vendor Advisory
https://src.tuya.com/announcement/32
Third Party Advisory
https://www.vulncheck.com/advisories/arduino-tuyaopen-wifiudp-null-pointer-deref...
26
/ 100
low-risk
Severity
21/34 · High
Exploitability
0/34 · Minimal
Exposure
5/34 · Minimal