{
  "affected": [
    {
      "database_specific": {
        "unresolved_ranges": [
          {
            "events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "10.0.1"
              }
            ]
          }
        ]
      },
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.3.1"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1fc5e966a0f8e541c0942bd02bb3504a4a6be9c6"
            }
          ],
          "repo": "https://github.com/aws/amazon-freertos",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. In xProcessReceivedUDPPacket and prvParseDNSReply, any received DNS response is accepted, without confirming it matches a sent DNS request.",
  "id": "CVE-2018-16598",
  "modified": "2026-03-13T21:51:01.395536820Z",
  "published": "2018-12-06T23:29:00.813Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-put-wide-range-devices-risk-compromise-smart-homes-critical-infrastructure-systems/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/aws/amazon-freertos/blob/v1.3.2/CHANGELOG.md"
    },
    {
      "type": "FIX",
      "url": "https://blog.zimperium.com/freertos-tcpip-stack-vulnerabilities-details/"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}