Security advisory

{
  "id": "acca5a064af62bd5229f8e495eaf77dadde71543b3b832f0584362a25e0eeb0c",
  "url": "https://osv.dev/vulnerability/CVE-2025-49604",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2025-49604",
    "summary": "For Realtek AmebaD devices, a heap-based buffer overflow was discovered in Ameba-AIoT ameba-arduino-d before version 3.1.9 and ameba-rtos-d before commit c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a on 2025/07/03. In the WLAN driver defragment function, lack of validation of the size of fragmented Wi-Fi frames may lead to a heap-based buffer overflow.",
    "evidence": "osv:CVE-2025-49604",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-49604",
      "aliases": [
        "CVE-2025-49604"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ameba-aiot/ameba-arduino-d",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a"
                },
                {
                  "fixed": "52aac0dd423cbb11a013711c8e1c3004adf31ef8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "c2bfd8216a1cbc19ad2ab5f48f372ecea756d67a"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.1.9"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "52aac0dd423cbb11a013711c8e1c3004adf31ef8"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "V3.1.9"
                  }
                ]
              }
            }
          ],
          "versions": [
            "V3.1.8",
            "V3.1.7",
            "V3.1.6-V02",
            "V3.1.6",
            "V3.1.5",
            "V3.1.4",
            "V3.1.3",
            "V3.1.1",
            "V3.1.0",
            "V3.0.11",
            "V3.0.10-v02",
            "V3.0.9",
            "V3.0.8-V04",
            "V3.0.7",
            "V3.0.6",
            "V3.0.5"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-49604.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:40.359379470Z",
      "provider": "osv",
      "references": [
        "https://github.com/Ameba-AIoT/ameba-arduino-d/releases/tag/V3.1.9",
        "https://www.amebaiot.com/en/security-bulletin-cve-2025-49604/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49604.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-49604",
        "https://github.com/Ameba-AIoT/ameba-arduino-d/pull/281"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49604.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-49604",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 508038,
  "published_at": "2025-07-09T00:00:00+00:00"
}