{
  "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 single-byte buffer overflow vulnerability in the WiFiMulti component. When the victim's smart hardware connects to an attacker-controlled AP hotspot, the attacker can exploit the overflow to execute arbitrary code on the affected embedded device.",
  "id": "CVE-2026-28520",
  "modified": "2026-04-01T23:08:12.065641695Z",
  "published": "2026-03-16T14:19:28.343Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://src.tuya.com/announcement/32"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/arduino-tuyaopen-wifimulti-single-byte-buffer-overflow-remote-code-execution"
    },
    {
      "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:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}