Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access
Summary
| CVE | CVE-2026-9218 |
|---|---|
| State | PUBLISHED |
| Assigner | NETGEAR |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-13 15:17:52 UTC |
| Updated | 2026-10-16 14:19:37 UTC |
| 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. |
Risk And Classification
Primary CVSS: v4.0 4.3 MEDIUM from a2826606-91e7-4eb6-899e-8484bd4575d5
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:D/RE:L/U:Amber
EPSS: 0.001760000 probability, percentile 0.066590000 (date 2026-10-15)
Problem Types: CWE-20 | CWE-20 CWE-20 Improper input validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | a2826606-91e7-4eb6-899e-8484bd4575d5 | Secondary | 4.3 | MEDIUM | 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/C... |
| 4.0 | CNA | CVSS | 4.3 | MEDIUM | 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... |
| 3.1 | a2826606-91e7-4eb6-899e-8484bd4575d5 | Secondary | 4.5 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
| 3.1 | CNA | CVSS | 4.5 | MEDIUM | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N |
CVSS v4.0 Breakdown
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:D/RE:L/U:Amber
CVSS v3.1 Breakdown
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.netgear.com/support/product/r7000p | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | |
| www.netgear.com/support/product/rax40 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | |
| www.netgear.com/support/product/cbr40 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | |
| www.netgear.com/support/product/r7000 | a2826606-91e7-4eb6-899e-8484bd4575d5 | www.netgear.com | |
| kb.netgear.com/000070958/October-2026-NETGEAR-Security-Advisory | a2826606-91e7-4eb6-899e-8484bd4575d5 | kb.netgear.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: unprovable (en)
Additional Advisory Data
Solutions
CNA: 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.