DJI CrystalSky ZS600C USB-gadget backdoor allows root command execution

{
  "id": "b1c8d0209a5abe46a14a78d9f774e9e106fabb622dc741cdb76bcdccf0b381c3",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-114353",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "DJI CrystalSky ZS600C USB-gadget backdoor allows root command execution",
    "summary": "Hidden functionality (undocumented backdoor) in the root-privileged 'assistant' daemon in DJI CrystalSky ZS600C firmware v0.3.9.7 through v0.6.6.9 on Android allows a physically-present attacker with USB access to execute arbitrary OS commands as root by sending the hard-coded magic string 'dji26656677' to the USB-gadget serial interface (/dev/ttyGS0), after which each subsequent line is passed to system().",
    "evidence": "cve:CVE-2026-114353",
    "products": [
      {
        "name": {
          "value": "CrystalSky ZS600C",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-114353",
      "aliases": [
        "CVE-2026-114353"
      ],
      "metrics": [
        {
          "format": "CVSS",
          "cvssV4_0": {
            "Safety": "PRESENT",
            "version": "4.0",
            "Recovery": "NOT_DEFINED",
            "baseScore": 7,
            "Automatable": "NOT_DEFINED",
            "attackVector": "PHYSICAL",
            "baseSeverity": "HIGH",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/S:P",
            "exploitMaturity": "NOT_DEFINED",
            "providerUrgency": "NOT_DEFINED",
            "userInteraction": "NONE",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "privilegesRequired": "NONE",
            "subIntegrityImpact": "NONE",
            "vulnIntegrityImpact": "HIGH",
            "subAvailabilityImpact": "NONE",
            "vulnAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "DJI",
          "product": "CrystalSky ZS600C",
          "versions": [
            {
              "status": "affected",
              "version": "0.3.9.7",
              "versionType": "custom",
              "lessThanOrEqual": "0.6.6.9"
            }
          ],
          "platforms": [
            "Android"
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T19:49:26.784Z",
      "provider": "cve",
      "references": [
        "https://cyber-defence-campus.github.io/projects/vulnerabilities/CVE-2026-114353"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-114353",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T17:53:44.921607Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T19:49:26.784Z"
            }
          }
        ],
        "cna": {
          "orgId": "455daabc-a392-441d-aa46-37d35189897c",
          "shortName": "NCSC.ch",
          "dateUpdated": "2026-10-23T13:31:05.598Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-114353",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 482658,
  "published_at": "2026-10-23T13:31:05.598+00:00"
}