CVE-2026-28521
HIGH EPSS 11.5%
Published Mar 16, 20263mo ago · Modified Jun 17, 20261w ago
7.0 CVSS 4.0
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
11.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-125 Out-of-bounds Read Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| tuya | arduino-tuyaopen | * | <1.2.1 |
References 3
- github.com https://github.com/tuya/arduino-TuyaOpen
- src.tuya.com https://src.tuya.com/announcement/32
- vulncheck.com https://www.vulncheck.com/advisories/arduino-tuyaopen-tuyaiot-out-of-bounds-memory-read-information-disclosure
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.