CVE-2026-9218 PUBLISHED

Insufficient input validation vulnerability in Certain NETGEAR routers allows unauthorized access

Assigner: NETGEAR
Reserved: 21.05.2026 Published: 13.10.2026 Updated: 13.10.2026

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.

Metrics

CVSS 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
CVSS Score: 4.3

Product Status

Vendor NETGEAR
Product CBR40
Versions Default: unaffected
  • affected from 0 to * (excl.)
Vendor NETGEAR
Product R7000
Versions Default: unaffected
  • affected from 0 to v1.0.11.130 (excl.)
Vendor NETGEAR
Product R7000P
Versions Default: unaffected
  • affected from 0 to V1.3.3.152 (excl.)
Vendor NETGEAR
Product RAX40
Versions Default: unaffected
  • affected from 0 to V1.0.3.64 (excl.)

Solutions

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.

Credits

  • unprovable finder

References

Problem Types

  • CWE-20 Improper input validation CWE

Impacts

  • CAPEC-122 Privilege Abuse