CVE-2026-28519

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Source

https://cve.org/CVERecord?id=CVE-2026-28519

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-28519.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-28519

Published

2026-03-15T13:36:47.991Z

Modified

2026-07-08T08:06:45.837185727Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator

Summary

arduino-TuyaOpen DnsServer Heap-Based Buffer Overflow Remote Code Execution

Details

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.

Database specific

{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-122"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28519.json"
}

References

Affected packages

Git / github.com/tuya/arduino-tuyaopen

Affected ranges

Type

GIT

Repo

https://github.com/tuya/arduino-tuyaopen

Events

Introduced

Fixed

1712806afe66fa2abe787ddf8cdb0e53f49ed96c

Database specific

{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.2.1"
        }
    ],
    "cpe": "cpe:2.3:a:tuya:arduino-tuyaopen:*:*:*:*:*:*:*:*"
}

Affected versions

0.*

0.0.2

0.0.3

0.0.4

1.*

1.0.0

1.0.1

1.0.2

1.0.3

1.1.0

1.1.1

1.1.2

1.1.3

1.1.4

1.1.5

1.1.6

1.1.7

1.1.8

1.1.9

1.2.0

Other

global

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-28519.json"