CVE-2026-28521
7.7 · HIGHOverview
CVE-2026-28521 is a high-severity vulnerability affecting tuya arduino-tuyaopen. It was published on March 16, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from tuya. Update arduino-tuyaopen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| tuya | arduino-tuyaopen | >= 0, < 1.2.1 | Affected |
Frequently Asked Questions
What is CVE-2026-28521?
CVE-2026-28521 is a high-severity vulnerability affecting tuya arduino-tuyaopen. It was published on March 16, 2026 and has a CVSS 3.1 base score of 7.7 (HIGH).
How severe is CVE-2026-28521?
This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-28521?
Check the references section for vendor advisories and patches from tuya. Update arduino-tuyaopen to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-28521?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-28521 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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