{
  "document": {
    "acknowledgments": [
      {
        "organization": "CERT@VDE",
        "summary": "coordination",
        "urls": [
          "https://certvde.com"
        ]
      },
      {
        "names": [
          "Justus W. Perlwitz"
        ],
        "organization": "JWP Consulting",
        "summary": "reporting",
        "urls": [
          "https://www.jwpconsulting.net/"
        ]
      }
    ],
    "aggregate_severity": {
      "namespace": "https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "text": "Medium (6.5)"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE"
      }
    },
    "lang": "en-GB",
    "notes": [
      {
        "audience": "all",
        "category": "summary",
        "text": "The Bluetooth Classic implementation on JBL Flip 4 devices with firmware version prior to 4.1.0 does not properly\nhandle malformed LMP messages and causes the entire device to crash. Any attacker in radio range can\nexploit this vulnerability.",
        "title": "Summary"
      },
      {
        "audience": "all",
        "category": "description",
        "text": "Any attacker in radio range can send malicious messages to cause the device to crash.",
        "title": "Impact"
      },
      {
        "audience": "all",
        "category": "description",
        "text": "There is no known mitigation at this moment.",
        "title": "Mitigation"
      },
      {
        "audience": "all",
        "category": "description",
        "text": "The vulnerability is fixed in firmware version 4.1.0.",
        "title": "Remediation"
      },
      {
        "audience": "all",
        "category": "description",
        "text": "The JBL Flip 4 is a portable bluetooth speaker.",
        "title": "Product Description"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productsecurity@harman.com",
      "name": "Harman International",
      "namespace": "https://www.harman.com"
    },
    "references": [
      {
        "category": "external",
        "summary": "CERT@VDE Security Advisories for Harman",
        "url": "https://certvde.com/en/advisories/vendor/harmann/"
      },
      {
        "category": "self",
        "summary": "HBSA-2025-0003: JBL: DoS vulnerability in Flip 4 - HTML",
        "url": "https://certvde.com/en/advisories/VDE-2025-090"
      },
      {
        "category": "self",
        "summary": "HBSA-2025-0003: JBL: DoS vulnerability in Flip 4 - CSAF",
        "url": "https://harman.csaf-tp.certvde.com/.well-known/csaf/white/2026/hbsa-2025-0003.json"
      },
      {
        "category": "external",
        "summary": "Braktooth, a description of a family of security vulnerabilities in commercial BT stacks.",
        "url": "https://asset-group.github.io/disclosures/braktooth/"
      }
    ],
    "title": "JBL: DoS vulnerability in Flip 4",
    "tracking": {
      "aliases": [
        "VDE-2026-0001"
      ],
      "current_release_date": "2026-02-18T07:00:00.000Z",
      "generator": {
        "date": "2026-02-12T14:20:52.263Z",
        "engine": {
          "name": "Secvisogram",
          "version": "2.5.42"
        }
      },
      "id": "HBSA-2025-0003",
      "initial_release_date": "2026-02-18T07:00:00.000Z",
      "revision_history": [
        {
          "date": "2026-02-18T07:00:00.000Z",
          "number": "1.0.0",
          "summary": "Initial release."
        }
      ],
      "status": "final",
      "version": "1.0.0"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Flip 4",
                "product": {
                  "name": "JBL Flip 4",
                  "product_id": "CSAFPID-11001",
                  "product_identification_helper": {
                    "skus": [
                      "6925281924439",
                      "6925281924415",
                      "6925281924422",
                      "6925281924446",
                      "6925281924408",
                      "6925281924545",
                      "6925281922428",
                      "6925281922442",
                      "6925281922404",
                      "6925281922411",
                      "6925281922435",
                      "050036337366",
                      "050036337397",
                      "050036337380",
                      "050036337403",
                      "050036337373",
                      "050036336123",
                      "050036336116",
                      "050036336130",
                      "050036337441",
                      "050036336109",
                      "050036336147"
                    ]
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Hardware"
          },
          {
            "branches": [
              {
                "branches": [
                  {
                    "category": "product_version_range",
                    "name": "vers:semver/<4.1.0",
                    "product": {
                      "name": "JBL Flip 4 Firmware <4.1.0",
                      "product_id": "CSAFPID-21001",
                      "product_identification_helper": {
                        "model_numbers": [
                          "Flip 4"
                        ]
                      }
                    }
                  },
                  {
                    "category": "product_version",
                    "name": "4.1.0",
                    "product": {
                      "name": "JBL Flip 4 Firmware 4.1.0",
                      "product_id": "CSAFPID-22001",
                      "product_identification_helper": {
                        "model_numbers": [
                          "Flip 4"
                        ]
                      }
                    }
                  }
                ],
                "category": "product_name",
                "name": "Flip 4 "
              }
            ],
            "category": "product_family",
            "name": "Firmware"
          }
        ],
        "category": "vendor",
        "name": "JBL"
      }
    ],
    "relationships": [
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "JBL Flip 4 Firmware <4.1.0 installed on JBL Flip 4",
          "product_id": "CSAFPID-31001",
          "product_identification_helper": {
            "skus": [
              "6925281924439",
              "6925281924415",
              "6925281924422",
              "6925281924446",
              "6925281924408",
              "6925281924545",
              "6925281922428",
              "6925281922442",
              "6925281922404",
              "6925281922411",
              "6925281922435",
              "050036337366",
              "050036337397",
              "050036337380",
              "050036337403",
              "050036337373",
              "050036336123",
              "050036336116",
              "050036336130",
              "050036337441",
              "050036336109",
              "050036336147"
            ]
          }
        },
        "product_reference": "CSAFPID-21001",
        "relates_to_product_reference": "CSAFPID-11001"
      },
      {
        "category": "installed_on",
        "full_product_name": {
          "name": "JBL Flip 4 Firmware 4.1.0 installed on JBL Flip 4",
          "product_id": "CSAFPID-32001",
          "product_identification_helper": {
            "skus": [
              "6925281924439",
              "6925281924415",
              "6925281924422",
              "6925281924446",
              "6925281924408",
              "6925281924545",
              "6925281922428",
              "6925281922442",
              "6925281922404",
              "6925281922411",
              "6925281922435",
              "050036337366",
              "050036337397",
              "050036337380",
              "050036337403",
              "050036337373",
              "050036336123",
              "050036336116",
              "050036336130",
              "050036337441",
              "050036336109",
              "050036336147"
            ]
          }
        },
        "product_reference": "CSAFPID-22001",
        "relates_to_product_reference": "CSAFPID-11001"
      }
    ]
  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Justus W. Perlwitz"
          ],
          "organization": "JWP Consulting GK",
          "summary": "reporting",
          "urls": [
            "https://www.jwpconsulting.net/"
          ]
        }
      ],
      "cve": "CVE-2025-41725",
      "cwe": {
        "id": "CWE-923",
        "name": "Improper Restriction of Communication Channel to Intended Endpoints"
      },
      "discovery_date": "2025-05-22T10:00:00.000Z",
      "notes": [
        {
          "audience": "all",
          "category": "description",
          "text": "Affected devices running firmware versions prior to 4.1.0 may crash and become unavailable when receiving specific malformed Bluetooth messages from an unauthenticated attacker.",
          "title": "CVE Description"
        }
      ],
      "product_status": {
        "fixed": [
          "CSAFPID-32001"
        ],
        "known_affected": [
          "CSAFPID-31001"
        ]
      },
      "release_date": "2026-02-13T11:00:00.000Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Update JBL Flip 4 firmware to version 4.1.0 to remediate the issue.",
          "product_ids": [
            "CSAFPID-31001"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "environmentalScore": 6.5,
            "environmentalSeverity": "MEDIUM",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "temporalScore": 6.5,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "CSAFPID-31001"
          ]
        }
      ],
      "title": "DoS vulnerability in JBL Flip 4"
    }
  ]
}