{
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      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-19823",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-18T13:29:56.831495Z",
                "version": "2.0.3"
              },
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          "dateUpdated": "2026-08-18T13:39:11.186Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:tenda:w20e_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "QoS Rule Deletion"
          ],
          "product": "W20E",
          "vendor": "Tenda",
          "versions": [
            {
              "status": "affected",
              "version": "15.11.0.6(1068_1546_841)_CN_TDC"
            }
          ]
        }
      ],
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          "type": "reporter",
          "value": "paxiot (VulDB User)"
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          "lang": "en",
          "value": "A security flaw has been discovered in Tenda W20E 15.11.0.6(1068_1546_841)_CN_TDC. Impacted is the function formQOSRuleDel of the file /goform/delQos of the component QoS Rule Deletion. Performing a manipulation of the argument qosIndex results in stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks."
        }
      ],
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            "baseSeverity": "HIGH",
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          "cvssV2_0": {
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            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
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              "cweId": "CWE-121",
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            }
          ]
        },
        {
          "descriptions": [
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              "cweId": "CWE-119",
              "description": "Memory Corruption",
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            }
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        }
      ],
      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
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        {
          "name": "VDB-389956 | Tenda W20E QoS Rule Deletion delQos formQOSRuleDel stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/389956"
        },
        {
          "name": "VDB-389956 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/389956/cti"
        },
        {
          "name": "CVE-2026-19823 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-19823"
        },
        {
          "name": "Submit #869021 | Tenda W20E US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC.bin Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/869021"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/paueger/mycve/blob/main/Tenda_W20E/4.md"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://www.tenda.com.cn/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-14T00:00:00.000Z",
          "value": "Advisory disclosed"
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        {
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          "time": "2026-08-14T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-08-14T07:35:34.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Tenda W20E QoS Rule Deletion delQos formQOSRuleDel stack-based overflow",
      "x_generator": [
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-19823",
    "datePublished": "2026-08-14T12:15:10.480Z",
    "dateReserved": "2026-08-14T05:30:19.659Z",
    "dateUpdated": "2026-08-18T13:39:11.186Z",
    "state": "PUBLISHED"
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}