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CVE-2026-116504

Full vulnerability record from the local CVENow database.

Description

A vulnerability has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setCloudUpgradeFW of the file lib/cste_modules/upgrade.so of the component Cloud Upgrade. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Severity
HIGH
CVSS score
8.6 (v4.0)
Vulnerability status
Received
Source identifier
Published
2026-10-26 21:18:12.420000
Last modified
2026-10-26 21:18:12.420000
View original CVE JSON
{
  "id": "CVE-2026-116504",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-26T21:18:12.420",
  "lastModified": "2026-10-26T21:18:12.420",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. This affects the function setCloudUpgradeFW of the file lib/cste_modules/upgrade.so of the component Cloud Upgrade. The manipulation of the argument FileName leads to command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "TOTOLINK",
          "product": "A950RG",
          "cpes": [
            "cpe:2.3:o:totolink:a950rg_firmware:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Cloud Upgrade"
          ],
          "versions": [
            {
              "version": "4.1.2cu.5268_B20221104",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "baseScore": 8.6,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "HIGH",
          "subAvailabilityImpact": "HIGH",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "valueDensity": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 9.9,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 6.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "baseScore": 9.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "availabilityImpact": "COMPLETE"
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 8.0,
        "impactScore": 10.0,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        },
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://gist.github.com/H3rmesk1t/c2f2dcfdb6238a7ddb8fb0622ad52948",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-116504",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/submit/1022553",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/426402",
      "source": "[email protected]"
    },
    {
      "url": "https://vuldb.com/vuln/426402/cti",
      "source": "[email protected]"
    },
    {
      "url": "https://www.totolink.net/",
      "source": "[email protected]"
    }
  ]
}