Heap-based Buffer Overflow Affecting tuya/arduino-TuyaOpen package, versions [,1.2.1)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.4% (32nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TUYAARDUINOTUYAOPEN-15683072
  • published18 Mar 2026
  • disclosed15 Mar 2026
  • creditMaxime Rossi Bellom

Introduced: 15 Mar 2026

CVE-2026-28519  (opens in a new tab)
CWE-122  (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 Heap-based Buffer Overflow in the DnsServer component when processing malicious DNS responses. An attacker can execute arbitrary code on affected embedded devices by sending specially crafted DNS responses from a controlled LAN DNS server.

CVSS Base Scores

version 4.0
version 3.1