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CVE Record

CVE-2019-20641: NETGEAR RAX40 devices before 1.0.3.64 are affected by lack of access control at the function level.

NETGEAR RAX40 devices before 1.0.3.64 are affected by lack of access control at the function level.

HighCVSS 8.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This CVE affects NETGEAR RAX40 routers running firmware before 1.0.3.64. The issue is missing function-level access control, meaning certain router functions may be reachable without proper authorization. For affected environments, the business risk is compromise of a network gateway device, not just an endpoint.

Executive priority

Prioritize remediation where RAX40 routers protect business networks or handle sensitive traffic. The vulnerability is high severity and can affect the network gateway, but provided evidence does not show confirmed active exploitation.

Technical view

CVE-2019-20641 is a missing function-level access control flaw in NETGEAR RAX40 firmware before 1.0.3.64. The CVSS 3.0 vector is adjacent-network, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to organizations or homes using NETGEAR RAX40 devices on firmware earlier than 1.0.3.64. The CVSS vector indicates adjacent-network access is required, so attackers likely need access to the local network or nearby network segment.

Exploitation context

The source bundle does not identify active exploitation, and this CVE is not marked as CISA KEV. No exploit status is confirmed by the provided sources. Treat it as high-impact exposure where affected routers are present.

Researcher notes

Key constraints are model and firmware specific: NETGEAR RAX40 before 1.0.3.64. The CVSS adjacent-network requirement matters for exposure modeling. Public data in the bundle does not include CWE details, exploit proof, or deeper technical root cause.

Mitigation direction

  • Inventory NETGEAR RAX40 routers in use.
  • Check each device firmware version against 1.0.3.64.
  • Upgrade affected RAX40 devices to 1.0.3.64 or later.
  • Follow the linked NETGEAR advisory for vendor-specific remediation.
  • Prioritize routers serving business, guest, or remote-access networks.

Validation and detection

  • Confirm the exact model is NETGEAR RAX40.
  • Record the installed firmware version from device administration.
  • Verify firmware is 1.0.3.64 or newer after remediation.
  • Confirm no affected RAX40 remains in production inventory.
  • Retain advisory and firmware evidence for audit tracking.
Prepared
Confidence
high
Sources
3

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.

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CVE-2019-20641 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
High
CVSS
8.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N

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
2Source 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
8.8CVSS 3.0HighCVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N2.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

8.8High
CVSS 3.0 vector shape for CVE-2019-20641Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:L/AV:A/A:H/C:H/I:H/PR:N/S:U/UI:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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