CVE-2026-11730 (GCVE-0-2026-11730)

Vulnerability from cvelistv5 – Published: 2026-10-13 14:38 – Updated: 2026-10-13 16:40
VLAI
Title
Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models
Summary
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.
Severity
2.1 (Low)
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/V:D/RE:L/U:Amber
5.4 (Medium)
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
CWE
  • CWE-335 - Incorrect usage of seeds in Pseudo-Random number generator (PRNG)
Assigner
NETGEAR CNA under the mitre root
CNA scorecard A 92/100 over 40 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
NETGEAR EX3700 Affected: 0 , < V1.0.0.102 (custom)
guessed Create a notification for this product.
NETGEAR EX6120 Affected: 0 , < V1.0.1.74 (custom)
guessed Create a notification for this product.
Date Public
2026-10-13 00:00
Credits
KDec5ae262-35b5-41c5-9bc1-91ad34145487 and Austin Turecek (Collaborator)
Show details on NVD website
To clipboard 

{
  "containers": {
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          "defaultStatus": "unaffected",
          "product": "EX3700",
          "vendor": "NETGEAR",
          "versions": [
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              "status": "affected",
              "version": "0",
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          "product": "EX6120",
          "vendor": "NETGEAR",
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              "version": "0",
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          "type": "finder",
          "value": "KDec5ae262-35b5-41c5-9bc1-91ad34145487 and Austin Turecek (Collaborator)"
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              "value": "\u003cp\u003eInsufficient 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.\u0026nbsp;\u003c/p\u003e"
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      "impacts": [
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          "capecId": "CAPEC-593",
          "descriptions": [
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              "value": "CAPEC-593 Session Hijacking"
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      "metrics": [
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "ADJACENT",
            "baseScore": 2.1,
            "baseSeverity": "LOW",
            "exploitMaturity": "UNREPORTED",
            "privilegesRequired": "LOW",
            "providerUrgency": "AMBER",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "DIFFUSE",
            "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/V:D/RE:L/U:Amber",
            "version": "4.0",
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            "vulnerabilityResponseEffort": "LOW"
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            "confidentialityImpact": "HIGH",
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            "scope": "UNCHANGED",
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      "problemTypes": [
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2026-10-13T16:40:22.452Z",
        "orgId": "a2826606-91e7-4eb6-899e-8484bd4575d5",
        "shortName": "NETGEAR"
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      "references": [
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            "patch"
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          "url": "https://www.netgear.com/support/product/ex3700"
        },
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          "url": "https://www.netgear.com/support/product/ex6120"
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      "solutions": [
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          "lang": "en",
          "supportingMedia": [
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              "value": "\u003cp\u003eDevices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:\u003c/p\u003e\u003ctable style=\"border-collapse:collapse;\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003eProduct\u003c/th\u003e\u003cth style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003eFixed Version\u003c/th\u003e\u003c/tr\u003e\u003c/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003cb\u003eEX3700 (EoS)\u003c/b\u003e AC750 WiFi Range Extender Essentials Edition\u003c/td\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003ca href=\"https://www.netgear.com/support/product/ex3700\"\u003eV1.0.0.102\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003cb\u003eEX6120\u003c/b\u003e AC1200 Dual Band WiFi Range Extender\u003c/td\u003e\u003ctd style=\"border:1px solid gray;padding:4px 8px;text-align:left;\"\u003e\u003ca href=\"https://www.netgear.com/support/product/ex6120\"\u003eV1.0.1.74\u003c/a\u003e\u003c/td\u003e\u003c/tr\u003e\u003c/tbody\u003e\u003c/table\u003e\u003cp\u003eModels marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.\u003c/p\u003e"
            }
          ],
          "value": "Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in:\n\nProductFixed VersionEX3700 (EoS) AC750 WiFi Range Extender Essentials Edition V1.0.0.102 https://www.netgear.com/support/product/ex3700 EX6120 AC1200 Dual Band WiFi Range Extender V1.0.1.74 https://www.netgear.com/support/product/ex6120 \n\nModels marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support."
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models",
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  "cveMetadata": {
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    "assignerShortName": "NETGEAR",
    "cveId": "CVE-2026-11730",
    "datePublished": "2026-10-13T14:38:16.110Z",
    "dateReserved": "2026-06-09T02:46:38.130Z",
    "dateUpdated": "2026-10-13T16:40:22.452Z",
    "state": "PUBLISHED"
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  "dataVersion": "5.2",
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        "lastModified": "2026-10-13T17:17:39.130",
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                "modifiedAttackComplexity": "NOT_DEFINED",
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                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
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}



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