TOTOLINK A950RG device-information udhcpd.leases getDeviceInfo command injection

{
  "id": "293b54d26a239d84331a390724b5ba7ec880a58fd9dcd41fa673e13209194018",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-116505",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "TOTOLINK A950RG device-information udhcpd.leases getDeviceInfo command injection",
    "summary": "A vulnerability was found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This impacts the function getDeviceInfo of the file /var/lib/misc/udhcpd.leases of the component device-information Handler. The manipulation of the argument MAC address results in command injection. The attack can be launched remotely. The exploit has been made public and could be used.",
    "evidence": "cve:CVE-2026-116505",
    "products": [
      {
        "name": {
          "value": "A950RG",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-116505",
      "aliases": [
        "CVE-2026-116505"
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "version": "4.0",
            "baseScore": 9.4,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P"
          }
        },
        {
          "cvssV3_1": {
            "version": "3.1",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R"
          }
        },
        {
          "cvssV3_0": {
            "version": "3.0",
            "baseScore": 9.1,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R"
          }
        },
        {
          "cvssV2_0": {
            "version": "2.0",
            "baseScore": 8.3,
            "vectorString": "AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"
          }
        }
      ],
      "affected": [
        {
          "cpes": [
            "cpe:2.3:o:totolink:a950rg_firmware:*:*:*:*:*:*:*:*"
          ],
          "vendor": "TOTOLINK",
          "modules": [
            "device-information Handler"
          ],
          "product": "A950RG",
          "versions": [
            {
              "status": "affected",
              "version": "4.1.2cu.5268_B20221104"
            }
          ]
        }
      ],
      "modified": "2026-10-26T20:45:18.066Z",
      "provider": "cve",
      "references": [
        "https://vuldb.com/vuln/426403",
        "https://vuldb.com/vuln/426403/cti",
        "https://vuldb.com/cve/CVE-2026-116505",
        "https://vuldb.com/submit/1022554",
        "https://gist.github.com/H3rmesk1t/836a8c4be24fcc4b7041b4bbe9cbb178",
        "https://www.totolink.net/"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
          "shortName": "VulDB",
          "dateUpdated": "2026-10-26T20:45:18.066Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-116505",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 344341,
  "published_at": "2026-10-26T20:45:18.066+00:00"
}