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CVE Record

CVE-2026-0405: Authentication Bypass in NETGEAR Orbi Devices

An authentication bypass vulnerability in NETGEAR Orbi devices allows users connected to the local network to access the router web interface as an admin.

MediumCVSS 6.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2026-0405 is a NETGEAR Orbi authentication bypass. A person already connected to the local network could access the router web interface as an administrator. That could let them change network settings or disrupt service. The public record rates it medium, but router admin compromise can be business-impacting in offices, retail sites, and remote locations.

Executive priority

Treat as a near-term network hygiene priority. It is not reported as internet-wide or actively exploited in the provided sources, but unauthorized router admin access can affect connectivity, monitoring, and downstream security controls.

Technical view

The CVE describes CWE-287 improper authentication affecting multiple NETGEAR Orbi models. CVSS 4.0 score is 6.1 with adjacent-network attack vector, low complexity, low privileges, no user interaction, and high impact to vulnerable-system confidentiality, integrity, and availability. The record points to NETGEAR support pages, but the provided data does not identify fixed firmware versions.

Likely exposure

Exposure is mainly local or adjacent network. Attackers appear to need existing access to the LAN or Wi-Fi network, not direct internet access. Organizations using listed Orbi models should verify firmware status and administrative interface exposure.

Exploitation context

The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. The risk is higher where guest, IoT, or untrusted users share the same network as router management access.

Researcher notes

The affected-version data in the bundle is limited and unusual: listed products show version "0" with defaultStatus "unaffected." Do not infer exact vulnerable firmware ranges from this alone. Use the CVE record and NETGEAR support pages to confirm product-specific remediation.

Mitigation direction

  • Check NETGEAR support guidance for each deployed Orbi model.
  • Update affected devices to vendor-recommended firmware when available.
  • Restrict router administration to trusted management networks only.
  • Separate guest and untrusted devices from router management access.
  • Review Wi-Fi access controls and remove unknown clients.

Validation and detection

  • Inventory Orbi models against the CVE product list.
  • Record current firmware versions for each device.
  • Compare installed firmware with NETGEAR support pages.
  • Confirm the admin interface is not reachable from guest networks.
  • Check router logs for unexpected administrative access or configuration changes.
Prepared
Confidence
medium
Sources
8

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-287: Credential and account abuse lookup

Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Credential and access behavior lookup

The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-0405 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.1 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
27Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
6.1CVSS 4.0MediumCVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber——Primary CVE score

Vulnerability scoring details

Base CVSS 4.0 score

6.1Medium
CVSS 4.0 vector shape for CVE-2026-0405Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
NETGEARRBE9700unaffected
NETGEARRBE9710unaffected
NETGEARCBR7500unaffected
NETGEARNBR7500unaffected
NETGEARRBE7700unaffected
NETGEARRBE7710unaffected
NETGEARRBE7720unaffected
NETGEARRBE7730unaffected
NETGEARRBR7500unaffected
NETGEARRBS7500unaffected
NETGEARRBR8400unaffected
NETGEARRBS8400unaffected
NETGEARRBR8500unaffected
NETGEARRBS8500unaffected
NETGEARRBR8600unaffected
NETGEARRBS8600unaffected
NETGEARRBRE9500unaffected
NETGEARRBSE9500unaffected
NETGEARRBRE9600unaffected
NETGEARRBSE9600unaffected
NETGEARRBE3700unaffected
NETGEARRBE3710unaffected
NETGEARRBE3720unaffected
NETGEARRBE3730unaffected
NETGEARRBE3740unaffected
Weakness

CWE details

CWE-287

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-287 · source CWE mapping

Improper Authentication

Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

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