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CVE-2026-11730— Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models

Quick assessment

Affected
NETGEAR EX3700
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在列出的 NETGEAR 扩展器型号中存在会话随机性不足的安全漏洞，该漏洞允许具有网络相邻访问权限的攻击者（例如拥有 WiFi 凭证）预测有效的会话标识符，从而劫持经认证的管理员在 Web 管理门户中的会话。

CVSS 5.4 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 2

VendorProduct Version RangeStatus
NETGEAR EX3700 < V1.0.0.102 affected
NETGEAR EX6120 < V1.0.1.74 affected
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I. Basic Information for CVE-2026-11730

Vulnerability Information
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Vulnerability Title
Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
PRNG种子错误
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
NETGEAR EX3700 0 ~ V1.0.0.102 -
NETGEAR EX6120 0 ~ V1.0.1.74 -

II. Public POCs for CVE-2026-11730

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III. Intelligence Information for CVE-2026-11730

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Vendor Pages for CVE-2026-11730 (2)

Same Patch Batch · NETGEAR · 2026-10-13 · 6 CVEs total

CVE-2026-11732 8.8 HIGH Insufficient input validation vulnerability exists in website blocking feature of certain
CVE-2026-11731 8.8 HIGH Authentication Bypass Vulnerability in Certain NETGEAR RAX Series Models
CVE-2026-9218 4.5 MEDIUM Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized
CVE-2026-107917 4.5 MEDIUM Insufficient input validation vulnerability in NETGEAR R7300 router
CVE-2026-107918 4.5 MEDIUM Insufficient input validation vulnerability in NETGEAR R7300

IV. Related Vulnerabilities

Same product: EX3700
Same vendor: NETGEAR
Same weakness: CWE-335

V. Comments for CVE-2026-11730

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