High severity7.7NVD Advisory· Published Mar 16, 2026· Updated Jun 17, 2026
CVE-2026-28521
CVE-2026-28521
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:tuya:arduino-tuyaopen:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:tuya:arduino-tuyaopen:*:*:*:*:*:*:*:*range: <1.2.1
- (no CPE)range: <1.2.1
- (no CPE)range: 0
Patches
Vulnerability mechanics
References
2- src.tuya.com/announcement/32nvdVendor Advisory
- www.vulncheck.com/advisories/arduino-tuyaopen-tuyaiot-out-of-bounds-memory-read-information-disclosurenvdThird Party Advisory
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