CVE-2026-28521CWE-125

arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure

High · published March 15, 2026

CVSS v4.0
7.0
EPSS
0%
Percentile
9.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.0 · HIGH
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
EPSS
0.00201 · 9.5th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-03-15T13:35Z
EPSS history
Timeline
  • 15 MAR 13:35Z
    arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure
    cvelistv5