CVE-2026-28521
arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure
- State
- Published
- Severity
- 7.0 High
- Published
- Mar 15, 2026
- Updated
- Mar 16, 2026
- Reserved
- Feb 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.0 High | 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 | VulnCheck |
| 3.1 | 7.7 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
arduino-TuyaOpenTuya |
|
References
- Tuya SRC Security Advisoryvendor-advisory
- arduino-TuyaOpen GitHub Repositoryproduct
- VulnCheck Advisory: arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosurethird-party-advisory
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