D-Link DIR-895L L2TP Control Channel tunnel.c tunnel_set_params out-of-bounds write

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-100740",
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "dateUpdated": "2026-09-27T00:45:14.034Z",
    "dateReserved": "2026-09-26T09:19:26.589Z",
    "datePublished": "2026-09-27T00:45:14.034Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB",
        "dateUpdated": "2026-09-27T00:45:14.034Z"
      },
      "title": "D-Link DIR-895L L2TP Control Channel tunnel.c tunnel_set_params out-of-bounds write",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was detected in D-Link DIR-895L A1_102b07. Impacted is the function tunnel_set_params of the file tunnel.c of the component L2TP Control Channel Parser. Performing a manipulation results in out-of-bounds write. The attack may be initiated remotely. The exploit is now public and may be used."
        }
      ],
      "affected": [
        {
          "vendor": "D-Link",
          "product": "DIR-895L",
          "cpes": [
            "cpe:2.3:h:d-link:dir-895l:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "L2TP Control Channel Parser"
          ],
          "versions": [
            {
              "version": "A1_102b07",
              "status": "affected"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Out-of-bounds Write",
              "cweId": "CWE-787",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "Memory Corruption",
              "cweId": "CWE-119",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://vuldb.com/vuln/410614",
          "name": "VDB-410614 | D-Link DIR-895L L2TP Control Channel tunnel.c tunnel_set_params out-of-bounds write",
          "tags": [
            "vdb-entry",
            "technical-description"
          ]
        },
        {
          "url": "https://vuldb.com/vuln/410614/cti",
          "name": "VDB-410614 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ]
        },
        {
          "url": "https://vuldb.com/cve/CVE-2026-100740",
          "name": "CVE-2026-100740 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://vuldb.com/submit/906303",
          "name": "Submit #906303 | D-Link DIR895LA1_102b07 A1_102b07 Out-of-bounds Write",
          "tags": [
            "third-party-advisory"
          ]
        },
        {
          "url": "https://tzh00203.notion.site/D-Link-DIR-895L-L2TP-Host-Name-AVP-Out-of-Bounds-Write-33cb5c52018a8061b139cacc39d58fff",
          "tags": [
            "exploit"
          ]
        },
        {
          "url": "https://www.dlink.com/",
          "tags": [
            "product"
          ]
        }
      ],
      "metrics": [
        {},
        {
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "baseScore": 9.9,
            "baseSeverity": "CRITICAL"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "baseScore": 9.9,
            "baseSeverity": "CRITICAL"
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            "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "baseScore": 9
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      ],
      "timeline": [
        {
          "time": "2026-09-26T00:00:00.000Z",
          "lang": "en",
          "value": "Advisory disclosed"
        },
        {
          "time": "2026-09-26T02:00:00.000Z",
          "lang": "en",
          "value": "VulDB entry created"
        },
        {
          "time": "2026-09-26T11:24:39.000Z",
          "lang": "en",
          "value": "VulDB entry last update"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "tian (VulDB User)",
          "type": "reporter"
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    }
  }
}