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Back to active CVEs
Medium · CVSS 4.3CVE-2026-123178

Insufficient Input Validation Vulnerability in NETGEAR Orbi RBR350CVE-2026-123178

Answer in brief

CVE-2026-123178 records a Medium severity (CVSS 4.3) vulnerability in Insufficient Input Validation Vulnerability in NETGEAR Orbi RBR350. The current sources do not mark it as known exploited. The current feed maps NETGEAR/RBR350 (generic), NETGEAR/RBS350 (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 10, 2026Updated Nov 10, 2026Source checked Nov 10, 2026First seen by HOL Nov 10, 2026Material review Nov 10, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps NETGEAR/RBR350 (generic), NETGEAR/RBS350 (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
NETGEAR/RBR350generic>=0 <v4.4.3.4v4.4.3.4
NETGEAR/RBS350generic>=0 <v4.4.3.4v4.4.3.4

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for NETGEAR/RBR350, NETGEAR/RBS350.
  2. 2Review the reported fix. Source-reported 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

Evidence timeline and material changes

  1. Published upstream

    Nov 10, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 10, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 10, 2026

Sources and claim methodology

  • Source referencenetgear.com
  • Source referencenetgear.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-20
Source
CVE List V5
Source checked
Nov 10, 2026
References
2 linked sources
Open source record