FKIE_CVE-2026-24115

Vulnerability from fkie_nvd - Published: 2026-03-02 15:16 - Updated: 2026-06-17 10:22
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow.
References
cve@mitre.orghttps://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24115Exploit, Third Party Advisory
cve@mitre.orghttps://www.tenda.com.cn/material/show/2707Product
Impacted products
Vendor Product Version
tenda w20e_firmware 15.11.0.6
tenda w20e 4.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
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      "nodes": [
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              "criteria": "cpe:2.3:o:tenda:w20e_firmware:15.11.0.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "31C1283D-8DCF-49C0-92FF-34CF842D00BF",
              "vulnerable": true
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        }
      ],
      "operator": "AND"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Tenda W20E V4.0br_V15.11.0.6. La falta de validaci\u00f3n de los tama\u00f1os de \u0027gstup\u0027 y \u0027gstdwn\u0027 antes de concatenarlos en \u0027gstruleQos\u0027 puede llevar a un desbordamiento de b\u00fafer."
    }
  ],
  "id": "CVE-2026-24115",
  "lastModified": "2026-06-17T10:22:39.217",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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        "impactScore": 5.9,
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        "type": "Primary"
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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    "ssvcV203": [
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        "ssvcData": {
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          "options": [
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              "exploitation": "none"
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            {
              "automatable": "yes"
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            {
              "technicalImpact": "total"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-03T20:35:24.439904Z",
          "version": "2.0.3"
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  },
  "published": "2026-03-02T15:16:33.977",
  "references": [
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      "source": "cve@mitre.org",
      "tags": [
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        "Third Party Advisory"
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      "url": "https://github.com/akuma-QAQ/CVEreport/tree/main/D-link/CVE-2026-24115"
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      "tags": [
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      "url": "https://www.tenda.com.cn/material/show/2707"
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  "vulnStatus": "Modified",
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    }
  ]
}



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