Vulnerability DatabaseCVE-2026-28521
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CVE-2026-28521
March 15, 2026
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 Packages
https://github.com/tuya/arduino-TuyaOpen.git (GITHUB):
Affected version(s) >=1.0.0 <1.2.1
Fix Suggestion:
Update to version 1.2.1
Related Resources (3)
https://src.tuya.com/announcement/32
https://www.vulncheck.com/advisories/arduino-tuyaopen-tuyaiot-out-of-bounds-memory-read-information-disclosure
https://github.com/tuya/arduino-TuyaOpen
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CVSS v4
Base Score:
7
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.7
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Read
CWE-125
EPSS
Base Score:
0.01