CVE-2026-28521: arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-28521?
CVE-2026-28521 is classified as an out-of-bounds memory read vulnerability with potential for information disclosure.
How do I fix CVE-2026-28521?
To fix CVE-2026-28521, upgrade to arduino-TuyaOpen version 1.2.1 or later.
What can an attacker do with CVE-2026-28521?
An attacker can exploit CVE-2026-28521 to issue malicious DP event data to victim devices if they gain control of the Tuya cloud service.
Which versions of arduino-TuyaOpen are affected by CVE-2026-28521?
Versions of arduino-TuyaOpen prior to 1.2.1 are affected by CVE-2026-28521.
What are the implications of CVE-2026-28521 for IoT security?
CVE-2026-28521 poses a significant risk to IoT security as it can lead to unauthorized information disclosure and device manipulation.