{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.2.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1712806afe66fa2abe787ddf8cdb0e53f49ed96c"
            }
          ],
          "repo": "https://github.com/tuya/arduino-TuyaOpen",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "arduino-TuyaOpen before version 1.2.1 contains an out-of-bounds memory read vulnerability in the TuyaIoT component. An attacker who hijacks or controls the Tuya cloud service can issue malicious DP event data to victim devices, causing out-of-bounds memory access that may result in information disclosure or a denial-of-service condition.",
  "id": "CVE-2026-28521",
  "modified": "2026-04-01T23:10:26.379574992Z",
  "published": "2026-03-16T14:19:28.557Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://src.tuya.com/announcement/32"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/arduino-tuyaopen-tuyaiot-out-of-bounds-memory-read-information-disclosure"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tuya/arduino-TuyaOpen"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}