What is CVE-2026-28522?

CVE-2026-28522 is a medium-severity vulnerability in Tuya Arduino-tuyaopen, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-03-16.

How severe is CVE-2026-28522?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Tuya Arduino-tuyaopen

CVE-2026-28522

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 deref…

EPSS: 0.000 (0.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Tuya Arduino-tuyaopen — versions 0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-28522?: CVE-2026-28522 is a medium-severity vulnerability in Tuya Arduino-tuyaopen, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-03-16.
How severe is CVE-2026-28522?: Medium severity. CVSS v3 base score is 6.5 out of 10.