Insufficient Input Validation Vulnerability in NETGEAR Orbi RBR350

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-123178
StatePUBLISHED
AssignerNETGEAR
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-10 17:17:23 UTC
Updated2026-11-10 17:17:23 UTC
DescriptionAn 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.

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

Problem Types: CWE-20 | CWE-20 CWE-20 Improper input validation

VersionSourceTypeScoreSeverityVector
4.0a2826606-91e7-4eb6-899e-8484bd4575d5Secondary4.3MEDIUMCVSS: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...
4.0CNACVSS4.3MEDIUMCVSS: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...
3.1a2826606-91e7-4eb6-899e-8484bd4575d5Secondary4.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
3.1CNACVSS4.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

CVSS v4.0 Breakdown

Attack Vector
Adjacent
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
None
Integrity
High
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA NETGEAR RBR350 affected v4.4.3.4 custom Not specified
CNA NETGEAR RBS350 affected v4.4.3.4 custom Not specified

References

ReferenceSourceLinkTags
www.netgear.com/support/product/rbs350 a2826606-91e7-4eb6-899e-8484bd4575d5 www.netgear.com
www.netgear.com/support/product/rbr350 a2826606-91e7-4eb6-899e-8484bd4575d5 www.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: Lei Gu,Shanquan Yang,Boyu Kuang,Anmin Fu,Nanjing University of Science and Technology (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 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

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