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CVE-2026-9218— Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access

Quick assessment

Affected
NETGEAR CBR40
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.

所列 NETGEAR 型号设备中，时间服务器（NTP）配置存在输入验证不足的安全漏洞。攻击者若已连接到路由器的本地网络，并拥有该路由器的管理员凭据，便可利用此漏洞在路由器上执行未经授权命令。该漏洞可能影响受影响路由器的完整性，但不会对路由器的机密性或可用性造成任何影响。

CVSS 4.5 · Medium

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 4

VendorProduct Version RangeStatus
NETGEAR CBR40 < * affected
NETGEAR R7000 < v1.0.11.130 affected
NETGEAR R7000P < V1.3.3.152 affected
NETGEAR RAX40 < V1.0.3.64 affected
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I. Basic Information for CVE-2026-9218

Vulnerability Information
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Vulnerability Title
Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient input validation vulnerability in time server (NTP) setting of the listed NETGEAR models allows an attacker who is connected to the router’s local network and has the router’s administrator credentials to run unauthorized commands on the router. This vulnerability could impact the integrity of the affected router. There is no impact on confidentiality or availability of the affected router.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
NETGEAR CBR40 0 ~ * -
NETGEAR R7000 0 ~ v1.0.11.130 -
NETGEAR R7000P 0 ~ V1.3.3.152 -
NETGEAR RAX40 0 ~ V1.0.3.64 -

II. Public POCs for CVE-2026-9218

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III. Intelligence Information for CVE-2026-9218

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Vendor Pages for CVE-2026-9218 (4)

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-2026-11730 5.4 MEDIUM Insufficient session randomness vulnerability exists in certain NETGEAR EX Series Models
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 vendor: NETGEAR
Same weakness: CWE-20

V. Comments for CVE-2026-9218

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