Vulnerability DatabaseCVE-2026-28520
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CVE-2026-28520
March 15, 2026
arduino-TuyaOpen before version 1.2.1 contains a single-byte buffer overflow vulnerability in the WiFiMulti component. When the victim's smart hardware connects to an attacker-controlled AP hotspot, the attacker can exploit the overflow to execute arbitrary code on the affected embedded device.
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://www.vulncheck.com/advisories/arduino-tuyaopen-wifimulti-single-byte-buffer-overflow-remote-code-execution
https://src.tuya.com/announcement/32
https://github.com/tuya/arduino-TuyaOpen
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CVSS v4
Base Score:
8.6
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Off-by-one Error
CWE-193
EPSS
Base Score:
0.01