TOTOLINK EX200 wireless.so cstecgi.cgi setWiFiAclAddConfig stack-based overflow

{
  "id": "e79166b2625bc745878873124bedbfa3cce6350716c7e9179de01d6955708789",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-114383",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "TOTOLINK EX200 wireless.so cstecgi.cgi setWiFiAclAddConfig stack-based overflow",
    "summary": "A weakness has been identified in TOTOLINK EX200 5.2.3c.7200. This impacts the function setWiFiAclAddConfig of the file /cgi-bin/cstecgi.cgi of the component wireless.so. This manipulation of the argument macAddress causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.",
    "evidence": "cve:CVE-2026-114383",
    "products": [
      {
        "name": {
          "value": "EX200",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-114383",
      "aliases": [
        "CVE-2026-114383"
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P"
          }
        },
        {
          "cvssV3_1": {
            "version": "3.1",
            "baseScore": 10,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R"
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          "cvssV3_0": {
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          "cvssV2_0": {
            "version": "2.0",
            "baseScore": 10,
            "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"
          }
        }
      ],
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:totolink:ex200_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "TOTOLINK",
          "modules": [
            "wireless.so"
          ],
          "product": "EX200",
          "versions": [
            {
              "status": "affected",
              "version": "5.2.3c.7200"
            }
          ]
        }
      ],
      "modified": "2026-10-28T18:28:02.178Z",
      "provider": "cve",
      "references": [
        "https://vuldb.com/vuln/424742",
        "https://vuldb.com/vuln/424742/cti",
        "https://vuldb.com/cve/CVE-2026-114383",
        "https://vuldb.com/submit/1019883",
        "https://github.com/qwq-nm/CVE/blob/f5d61361eb7d846479f6d76c0aa4273e9af46d27/CVE2/report.md",
        "https://www.totolink.net/"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-114383",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T18:27:38.466654Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T18:28:02.178Z"
            }
          }
        ],
        "cna": {
          "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
          "shortName": "VulDB",
          "dateUpdated": "2026-10-21T21:45:18.906Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-114383",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 472585,
  "published_at": "2026-10-21T21:45:18.906+00:00"
}