CVE-2026-28520

HIGH

8.4

Description

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.

CVE Details

CVSS v3.1 Score8.4

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/16/2026

Last Modified3/17/2026

Sourcenvd

Honeypot Sightings0

Affected Products

tuya:arduino-tuyaopen

Weaknesses (CWE)

CWE-193

References

https://github.com/tuya/arduino-TuyaOpen(disclosure@vulncheck.com)

https://src.tuya.com/announcement/32(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/arduino-tuyaopen-wifimulti-single-byte-buffer-overflow-remote-code-execution(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.