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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 17 Mar 2026 15:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:tuya:arduino-tuyaopen:*:*:*:*:*:*:*:*

Mon, 16 Mar 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 16 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Tuya
Tuya arduino-tuyaopen
Vendors & Products Tuya
Tuya arduino-tuyaopen

Sun, 15 Mar 2026 14:00:00 +0000

Type Values Removed Values Added
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.
Title arduino-TuyaOpen WiFiMulti Single-Byte Buffer Overflow Remote Code Execution
Weaknesses CWE-193
References
Metrics cvssV3_1

{'score': 8.4, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-03-16T14:20:19.411Z

Reserved: 2026-02-27T21:07:55.466Z

Link: CVE-2026-28520

cve-icon Vulnrichment

Updated: 2026-03-16T14:17:38.408Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-16T14:19:28.343

Modified: 2026-03-17T15:39:38.403

Link: CVE-2026-28520

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-16T09:21:37Z

Weaknesses