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.
History

Tue, 17 Mar 2026 20:30:00 +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': 'partial'}, '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 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.
Title arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure
Weaknesses CWE-125
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H'}

cvssV4_0

{'score': 7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-03-15T13:35:46.217Z

Updated: 2026-03-16T14:20:19.227Z

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

Link: CVE-2026-28521

cve-icon Vulnrichment

Updated: 2026-03-16T14:17:35.673Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-16T14:19:28.557

Modified: 2026-03-17T20:24:33.687

Link: CVE-2026-28521

cve-icon Redhat

No data.