CVE-2026-11730

Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models

Published Oct 13, 2026 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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: ProductFixed 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 Models 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.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netgear
Netgear ex3700
Netgear ex6120
Vendors & Products Netgear
Netgear ex3700
Netgear ex6120
Type Values Removed Values Added
Metrics cvssV4_0

{'score': 4.5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber'}

cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N'}

cvssV4_0

{'score': 2.1, 'vector': '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'}

Type Values Removed Values Added
Description 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.
Title Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models
Weaknesses CWE-335
References
Metrics cvssV4_0

{'score': 4.5, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NETGEAR
Published
Updated
Oct 19, 2026, 7:02 PM
Reserved
Jun 9, 2026, 2:46 AM
Status
Awaiting Analysis
Published
Oct 13, 2026, 3:17 PM
Modified
Oct 19, 2026, 8:17 PM