CVE-2026-11730: NETGEAR EX series extender session randomness vulnerability

CVE-2026-11730 · Severity: medium · CVSS 5.4 · Published 2026-10-13

NETGEAR WiFi range extenders contain a weakness in how they generate session identifiers for the web management portal. An attacker with WiFi access to the network can predict valid administrator session tokens and take over the management interface, gaining full control of the extender without authentication.

Technologies: NETGEAR EX6120. Vendors: NETGEAR.

Quick answers

Is CVE-2026-11730 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-11730 being exploited in the wild.
How severe is CVE-2026-11730?
Medium severity, with a CVSS score of 5.4, published 13 October 2026.
Which products and versions are affected?
NETGEAR EX3700 V1.0.0.102 and earlier; NETGEAR EX6120 V1.0.1.74 and earlier.
Is there a fix for CVE-2026-11730?
Yes: fixed in EX3700 V1.0.0.102, EX6120 V1.0.1.74. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-11730 attacked?
It is attacked over the network or from the adjacent network, in a network appliance.
Am I affected by CVE-2026-11730?
Check whether you run NETGEAR EX3700 or NETGEAR EX6120 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: EX3700 V1.0.0.102, EX6120 V1.0.1.74

Technical details

The vulnerability stems from insufficient randomness in session identifier generation in the web management interface of affected extenders. A network-adjacent attacker with WiFi credentials can predict valid session IDs and hijack authenticated administrator sessions. The attack requires network access but no authentication to the management portal itself.

Affected products

  • NETGEAR EX3700 V1.0.0.102 and earlier
  • NETGEAR EX6120 V1.0.1.74 and earlier

Timeline

  • 2026-10-13: disclosed

References

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