CVE-2026-11730

{
  "id": "CVE-2026-11730",
  "sourceIdentifier": "a2826606-91e7-4eb6-899e-8484bd4575d5",
  "published": "2026-10-13T15:17:43.340",
  "lastModified": "2026-10-19T20:17:55.943",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient session randomness vulnerability in the listed NETGEAR Extender models allows a network-adjacent attacker having network access (such as WiFi credentials) to predict valid session identifiers and hijack an authenticated administrator session on the web management portal."
    }
  ],
  "affected": [
    {
      "source": "a2826606-91e7-4eb6-899e-8484bd4575d5",
      "affectedData": [
        {
          "vendor": "NETGEAR",
          "product": "EX3700",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "V1.0.0.102",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "NETGEAR",
          "product": "EX6120",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "V1.0.1.74",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "a2826606-91e7-4eb6-899e-8484bd4575d5",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/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:D/RE:L/U:Amber",
          "baseScore": 2.1,
          "baseSeverity": "LOW",
          "attackVector": "ADJACENT",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "LOW",
          "vulnAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "UNREPORTED",
          "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": "DIFFUSE",
          "vulnerabilityResponseEffort": "LOW",
          "providerUrgency": "AMBER"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "a2826606-91e7-4eb6-899e-8484bd4575d5",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 4.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-19T19:02:40.872210Z",
          "id": "CVE-2026-11730",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "a2826606-91e7-4eb6-899e-8484bd4575d5",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-335"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory",
      "source": "a2826606-91e7-4eb6-899e-8484bd4575d5"
    },
    {
      "url": "https://www.netgear.com/support/product/ex3700",
      "source": "a2826606-91e7-4eb6-899e-8484bd4575d5"
    },
    {
      "url": "https://www.netgear.com/support/product/ex6120",
      "source": "a2826606-91e7-4eb6-899e-8484bd4575d5"
    }
  ]
}