Off-by-one Error Affecting tuya/arduino-TuyaOpen package, versions [,1.2.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-TUYAARDUINOTUYAOPEN-15683071
- published18 Mar 2026
- disclosed15 Mar 2026
- creditMaxime Rossi Bellom
Introduced: 15 Mar 2026
CVE-2026-28520 (opens in a new tab)How to fix?
Upgrade tuya/arduino-TuyaOpen to version 1.2.1 or higher.
Overview
Affected versions of this package are vulnerable to Off-by-one Error in the WiFiMulti component when a device connects to an attacker-controlled AP hotspot. An attacker can execute arbitrary code on the affected embedded device by exploiting a single-byte buffer overflow.