cve-2023-27333
Vulnerability from cvelistv5
Published
2024-05-03 01:55
Modified
2024-09-18 18:28
Summary
TP-Link Archer AX21 tmpServer Command 0x422 Stack-based Buffer Overflow Remote Code Execution Vulnerability
Impacted products
TP-LinkArcher AX21
Show details on NVD website


{
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      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:h:tp-link:archer_ax21:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "archer_ax21",
            "vendor": "tp-link",
            "versions": [
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                "status": "affected",
                "version": "-"
              }
            ]
          }
        ],
        "metrics": [
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              "content": {
                "id": "CVE-2023-27333",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-16T17:39:43.885436Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:24:54.077Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T12:09:43.409Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "name": "ZDI-23-244",
            "tags": [
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              "x_transferred"
            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-244/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "Archer AX21",
          "vendor": "TP-Link",
          "versions": [
            {
              "status": "affected",
              "version": "1.1.3 Build 20221125"
            }
          ]
        }
      ],
      "dateAssigned": "2023-02-28T12:05:53.944-06:00",
      "datePublic": "2023-03-15T10:59:05.022-05:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "TP-Link Archer AX21 tmpServer Command 0x422 Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer AX21 routers. Authentication is required to exploit this vulnerability.\n\nThe specific flaw exists within the handling of command 0x422 provided to the tmpServer service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.\n. Was ZDI-CAN-19905."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
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          "format": "CVSS"
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      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "CWE-121: Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2024-09-18T18:28:03.156Z",
        "orgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
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      ],
      "source": {
        "lang": "en",
        "value": "Pumpkin, working with DEVCORE Internship Program"
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      "title": "TP-Link Archer AX21 tmpServer Command 0x422 Stack-based Buffer Overflow Remote Code Execution Vulnerability"
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  },
  "cveMetadata": {
    "assignerOrgId": "99f1926a-a320-47d8-bbb5-42feb611262e",
    "assignerShortName": "zdi",
    "cveId": "CVE-2023-27333",
    "datePublished": "2024-05-03T01:55:56.192Z",
    "dateReserved": "2023-02-28T17:58:45.478Z",
    "dateUpdated": "2024-09-18T18:28:03.156Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-27333\",\"sourceIdentifier\":\"zdi-disclosures@trendmicro.com\",\"published\":\"2024-05-03T02:15:10.273\",\"lastModified\":\"2024-09-18T19:15:19.800\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"TP-Link Archer AX21 tmpServer Command 0x422 Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link Archer AX21 routers. Authentication is required to exploit this vulnerability.\\n\\nThe specific flaw exists within the handling of command 0x422 provided to the tmpServer service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root.\\n. Was ZDI-CAN-19905.\"},{\"lang\":\"es\",\"value\":\"TP-Link Archer AX21 tmpServer Command 0x422 Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo de desbordamiento de b\u00fafer en la regi\u00f3n stack de la memoria. Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en las instalaciones afectadas de los enrutadores TP-Link Archer AX21. Se requiere autenticaci\u00f3n para aprovechar esta vulnerabilidad. La falla espec\u00edfica existe en el manejo del comando 0x422 proporcionado al servicio tmpServer. El problema se debe a la falta de una validaci\u00f3n adecuada de la longitud de los datos proporcionados por el usuario antes de copiarlos en un b\u00fafer basado en pila de longitud fija. Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de la ra\u00edz. Era ZDI-CAN-19905.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.8,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":0.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"zdi-disclosures@trendmicro.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-121\"}]}],\"references\":[{\"url\":\"https://www.zerodayinitiative.com/advisories/ZDI-23-244/\",\"source\":\"zdi-disclosures@trendmicro.com\"}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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