PT-2026-25551 · Tuya+1 · Arduino-Tuyaopen

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CVE-2026-28520

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Published

2026-03-15

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Updated

2026-03-16

CVSS v4.0

8.6

High

VectorAV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions arduino-TuyaOpen versions prior to 1.2.1
Description arduino-TuyaOpen before version 1.2.1 contains a single-byte buffer overflow in the WiFiMulti component. When a device connects to an attacker-controlled access point (AP), an attacker can exploit this overflow to execute arbitrary code on the affected embedded device.
Recommendations Update arduino-TuyaOpen to version 1.2.1 or later.

Exploit

Fix

RCE

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Weakness Enumeration

Related Identifiers

CVE-2026-28520

Affected Products

Arduino-Tuyaopen