Medium severity · published Oct 13, 2026
CVE-2026-11730
Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models
5.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Attack vector
Adjacent
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EX
EX3700 · NETGEAR
before V1.0.0.102 · source: vendor
EX
EX6120 · NETGEAR
before V1.0.1.74 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-11730
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-11730
product
https://www.netgear.com/support/product/ex3700
product
https://www.netgear.com/support/product/ex6120
vendor-advisory
https://kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory
More from EX3700
4.5
CVE-2026-9210
Certain NETGEAR routers allow authenticated administrators to gain unintended control of the router