CVE-2026-9218

Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access

Published Oct 13, 2026 CVSS 4.0 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Devices with automatic updates enabled may already have this patch applied. If not, please check the firmware version and update it to the latest. Fixed in: ProductFixed VersionCBR40 (EoS) Orbi AC2200 Tri-band WiFi Cable Modem RouterWon't FixR7000 (EoS) Nighthawk AC1900 Smart WiFi Dual Band Gigabit Router v1.0.11.130 https://www.netgear.com/support/product/r7000 R7000P (EoS) Nighthawk AC2300 Smart WiFi Dual Band Gigabit Router V1.3.3.152 https://www.netgear.com/support/product/r7000p RAX40 (EoS) Nighthawk AX4 4-Stream WiFi Router V1.0.3.64 https://www.netgear.com/support/product/rax40 Models marked (EoS) have reached End-of-Support phase, and no security updates are planned. NETGEAR strongly recommends that you retire these devices and upgrade to a newer NETGEAR device for continued security support.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netgear
Netgear cbr40
Netgear r7000
Netgear r7000p
Netgear rax40
Vendors & Products Netgear
Netgear cbr40
Netgear r7000
Netgear r7000p
Netgear rax40
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N'}

Type Values Removed Values Added
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.
Title Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 4.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/V:D/RE:L/U:Amber'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NETGEAR
Published
Updated
Oct 16, 2026, 1:44 PM
Reserved
May 21, 2026, 5:29 PM
Status
Awaiting Analysis
Published
Oct 13, 2026, 3:17 PM
Modified
Oct 16, 2026, 2:19 PM