Description

arduino-TuyaOpen before version 1.2.1 contains a heap-based buffer overflow vulnerability in the DnsServer component. An attacker on the same local area network who controls the LAN DNS server can send malicious DNS responses to overflow the heap buffer, potentially allowing execution of arbitrary code on affected embedded devices.

INFO

Published Date :

2026-03-15T13:36:47.991Z

Last Modified :

2026-03-16T14:20:19.096Z

Source :

VulnCheck
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28519 vulnerability.

Vendors Products
Tuya
  • Arduino-tuyaopen
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28519.

URL Resource
https://github.com/tuya/arduino-TuyaOpen cve-icon cve-icon
https://src.tuya.com/announcement/32 cve-icon cve-icon
https://www.vulncheck.com/advisories/arduino-tuyaopen-dnsserver-heap-based-buffer-overflow-remote-code-execution cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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SS Confidentiality
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Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
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User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact