{
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          {
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              "content": {
                "id": "CVE-2026-77004",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-20T17:09:59.711548Z",
                "version": "2.0.3"
              },
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          "dateUpdated": "2026-08-20T17:10:13.138Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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        {
          "cpes": [
            "cpe:2.3:a:comfast:cf-n1-s:*:*:*:*:*:*:*:*"
          ],
          "product": "CF-N1-S",
          "vendor": "Comfast",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.0.1"
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          ]
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      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "577488768 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw has been found in Comfast CF-N1-S 2.6.0.1. This impacts the function sprintf of the file /cgi-bin/mbox-config?method=SET\u0026section=ptest_sn. Executing a manipulation of the argument sn can lead to command injection. The attack can be launched remotely. The exploit has been published and may be used."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P",
            "version": "4.0"
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:X/RC:R",
            "version": "3.1"
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            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
            "version": "2.0"
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              "cweId": "CWE-77",
              "description": "Command Injection",
              "lang": "en",
              "type": "CWE"
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          ]
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          "descriptions": [
            {
              "cweId": "CWE-74",
              "description": "Injection",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-08-20T16:00:09.986Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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      "references": [
        {
          "name": "VDB-393623 | Comfast CF-N1-S mbox-config sprintf command injection",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/393623"
        },
        {
          "name": "VDB-393623 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/393623/cti"
        },
        {
          "name": "CVE-2026-77004 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-77004"
        },
        {
          "name": "Submit #880584 | Comfast  CF-N1-S V2 V2.6.0.1 Command Injection",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/880584"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/lxiansheng488-bit/-/blob/main/%E5%8E%82%E5%95%86comefast%20%20CF-N1-S%20V2.pdf"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-20T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2026-08-20T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-20T09:37:05.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Comfast CF-N1-S mbox-config sprintf command injection",
      "x_generator": [
        "VulDB PVTS v202608"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-77004",
    "datePublished": "2026-08-20T16:00:09.986Z",
    "dateReserved": "2026-08-20T07:31:59.383Z",
    "dateUpdated": "2026-08-20T17:10:13.138Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2"
}