Insufficient Input Validation in NETGEAR Orbi Routers Exposes Administrative Commands
CVE-2026-123178

4.3MEDIUM

Key Information:

Vendor

Netgear
Status
Rbr350
Rbs350
Vendor
CVE Published:
10 November 2026

What is CVE-2026-123178?

A vulnerability in select NETGEAR Orbi router models allows an authenticated administrator on the local network to perform unauthorized command execution. This flaw arises from insufficient input validation, which could enable an attacker to alter the router's software functionality, posing risks to the integrity of the device and the network it governs.

Affected Version(s)

RBR350 0

RBS350 0

References

https://www.netgear.com/support/product/rbr350
productpatch
https://www.netgear.com/support/product/rbs350
productpatch
https://kb.netgear.com/000070971/November-2026-NETGEAR-Se...
vendor-advisorypatch

CVSS V4

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lei Gu,Shanquan Yang,Boyu Kuang,Anmin Fu,Nanjing University of Science and Technology
.