{
  "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 a null pointer dereference vulnerability in the WiFiUDP component. An attacker on the same local area network can send a large volume of malicious UDP packets to cause memory exhaustion on the device, triggering a null pointer dereference and resulting in a denial-of-service condition.",
  "id": "CVE-2026-28522",
  "modified": "2026-04-01T23:10:39.452065866Z",
  "published": "2026-03-16T14:19:28.760Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://src.tuya.com/announcement/32"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/arduino-tuyaopen-wifiudp-null-pointer-dereference-denial-of-service"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/tuya/arduino-TuyaOpen"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}