CVE-2026-123178

Insufficient Input Validation Vulnerability in NETGEAR Orbi RBR350

Published Nov 10, 2026 CVSS 4.0 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
An insufficient input validation vulnerability in the listed NETGEAR Orbi Models router allows an authenticated administrator connected to the local network to execute unauthorized commands and modify the router’s software and functionality, potentially compromising the integrity of the affected device.

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 VersionRBR350 Orbi AX1800 WiFi 6 Dual-band Mesh Router v4.4.3.4 https://www.netgear.com/support/product/rbr350 RBS350 Orbi AX1800 WiFi 6 Dual-band Mesh Add-on Satellite v4.4.3.4 https://www.netgear.com/support/product/rbs350

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description An insufficient input validation vulnerability in the listed NETGEAR Orbi Models router allows an authenticated administrator connected to the local network to execute unauthorized commands and modify the router’s software and functionality, potentially compromising the integrity of the affected device.
Title Insufficient Input Validation Vulnerability in NETGEAR Orbi RBR350
Weaknesses CWE-20
References
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'}

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'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
NETGEAR
Published
Updated
Nov 11, 2026, 11:38 AM
Reserved
Nov 5, 2026, 4:47 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 5:17 PM
Modified
Nov 12, 2026, 10:09 PM