CVE-2026-28521
HIGHarduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Third Party Advisory third-party-advisory
VulnCheck Advisory: arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure
https://www.vulncheck.com/advisories/arduino-tuyaopen-tuyaiot-out-of-bounds-memory-read-information-disclosure
Scores
CVSS v3
7.7
EPSS
0.0021
EPSS Percentile
11.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (2)
Tuya/arduino-TuyaOpen
< 1.2.1
tuya/arduino-tuyaopen
< 1.2.1
Published
Mar 16, 2026
Tracked Since
Mar 16, 2026