CVE-2026-28519
arduino-TuyaOpen DnsServer Heap-Based Buffer Overflow Remote Code Execution
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-122 |
| Vendor | tuya |
| Product | arduino-tuyaopen |
| Published | Mar 15, 2026 |
| Last Updated | Mar 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Tuya / arduino-TuyaOpen
0 < 1.2.1
References
Credits
Maxime ROSSI BELLOM