Vulnerability · Published Oct 13, 2026 · Assigned by NETGEAR
CVE-2026-11730Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models
Medium 5.4
In plain English
A medium-severity security flaw in EX3700 from NETGEAR. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 91.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-335 · Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
References
- https://www.netgear.com/support/product/ex3700 product, patch
- https://www.netgear.com/support/product/ex6120 product, patch
- https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory vendor-advisory, patch