CVE-2026-28519— arduino-TuyaOpen DnsServer Heap-Based Buffer Overflow Remote Code Execution
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2026-28519
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
arduino-TuyaOpen DnsServer Heap-Based Buffer Overflow Remote Code Execution
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
堆缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
arduino-TuyaOpen 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
arduino-TuyaOpen是Tuya开源的一个基于Arduino的物联网开发框架。 arduino-TuyaOpen 1.2.1之前版本存在安全漏洞，该漏洞源于DnsServer组件存在基于堆的缓冲区溢出，可能导致执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Tuya | arduino-TuyaOpen | 0 ~ 1.2.1 | - |
II. Public POCs for CVE-2026-28519
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-28519
请登录查看更多情报信息。
- Tuya SRCvendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-28519
Same Patch Batch · Tuya · 2026-03-15 · 4 CVEs total
| CVE-2026-28520 | 8.4 HIGH | arduino-TuyaOpen WiFiMulti Single-Byte Buffer Overflow Remote Code Execution |
| CVE-2026-28521 | 7.7 HIGH | arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Information Disclosure |
| CVE-2026-28522 | 6.5 MEDIUM | arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of Service |
IV. Related Vulnerabilities
Same vendor: Tuya
- CVE-2026-28522
arduino-TuyaOpen WiFiUDP Null Pointer Dereference Denial of - CVE-2026-28521
arduino-TuyaOpen TuyaIoT Out-of-Bounds Memory Read Informati - CVE-2026-28520
arduino-TuyaOpen WiFiMulti Single-Byte Buffer Overflow Remot - CVE-2026-3465
Tuya App/SDK JSON Data Point denial of service - CVE-2024-3764
Tuya SDK MQTT Packet denial of service
Same weakness: CWE-122
- CVE-2026-8261
Squirrel sqobject.cpp Load heap-based overflow - CVE-2026-8213
OSGeo gdal Grid File GDapi.c GDSDfldsrch heap-based overflow - CVE-2026-8212
OSGeo gdal SWapi.c SWSDfldsrch heap-based overflow - CVE-2026-42309
Pillow: Heap buffer overflow with nested list coordinates - CVE-2026-45130
Vim: Heap Buffer Overflow in spell file loading
V. Comments for CVE-2026-28519
No comments yet