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High · 7.7 CVE-2026-28521 EUVD-2026-12228GHSA-r4wm-392x-hfg5

arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure

Published Mar 15, 2026 · Updated Mar 16, 2026 · Assigned by VulnCheck

Description

arduino-TuyaOpen before version 1.2.1 contains an out-of-bounds memory read vulnerability in the TuyaIoT component. An attacker who hijacks or controls the Tuya cloud service can issue malicious DP event data to victim devices, causing out-of-bounds memory access that may result in information disclosure or a denial-of-service condition.

Affected products

VendorProductAffectedFixed
Tuya arduino-TuyaOpen < 1.2.1 1.2.1

References