Rbk752 FirmwareOperating system · Netgear

CVE-2020-14441

HIGH · 8.8 CVSS v3.1 Published 2020-06-18
Fix available
A fix is available. Upgrade to 3.2.15.25 or later.
See remediation →
93/100
Remediation priority · Urgent
No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects RBK752 before 3.2.15.25, RBK753 before 3.2.15.25, RBK753S before 3.2.15.25, RBR750 before 3.2.15.25, RBS750 before 3.2.15.25, RBK842 before 3.2.15.25, RBR840 before 3.2.15.25, RBS840 before 3.2.15.25, RBK852 before 3.2.15.25, RBK853 before 3.2.15.25, RBR850 before 3.2.15.25, and RBS850 before 3.2.15.25.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

Unauthenticated command injection vulnerability in NETGEAR Orbi mesh WiFi systems (multiple models RBK752, RBK753, RBR750, etc.). Attackers can execute arbitrary commands on affected devices without credentials due to improper input validation in the firmware before version 3.2.15.25.

MitigationUpdate firmware on all affected NETGEAR Orbi devices to version 3.2.15.25 or later. If immediate patching is not feasible, restrict network access to management interfaces and implement network segmentation to limit exposure.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Rbk752 FirmwareOperating system
Affected:< 3.2.15.25
Rbk753 FirmwareOperating system
Affected:< 3.2.15.25
Rbk753s FirmwareOperating system
Affected:< 3.2.15.25
Rbr750 FirmwareOperating system
Affected:< 3.2.15.25
Rbs750 FirmwareOperating system
Affected:< 3.2.15.25
Rbk842 FirmwareOperating system
Affected:< 3.2.15.25
Rbr840 FirmwareOperating system
Affected:< 3.2.15.25
Rbs840 FirmwareOperating system
Affected:< 3.2.15.25

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify your Orbi device model
    Locate the model number on the device label or check the admin interface under Administration > Backup Settings or similar. Confirm it matches one of these: RBK752, RBK753, RBK753S, RBR750, RBS750, RBK842, RBR840, RBS840.
    Affected if The model is one of the affected models listed in the CVE.
  2. Check the installed firmware version
    Log into the Orbi web admin interface (typically at 192.168.1.1) and navigate to Administration > Firmware Update or similar. Record the firmware version displayed.
    Affected if The firmware version is lower than 3.2.15.25.
  3. Verify management interface exposure
    Check your network configuration to determine if the Orbi admin interface (HTTP/HTTPS on ports 80/443 or 8080) is accessible from external or untrusted networks. Review port forwarding rules, firewall settings, and VPN configurations.
    Affected if The management interface is reachable from untrusted networks without network segmentation or access controls.

You are affected if your device model is in the affected list AND the firmware version is below 3.2.15.25 AND the management interface is exposed to untrusted networks.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to 3.2.15.25 or later
Fixed in 3.2.15.25
Interim mitigation

Update firmware on all affected NETGEAR Orbi devices to version 3.2.15.25 or later. If immediate patching is not feasible, restrict network access to management interfaces and implement network segmentation to limit exposure.

Fix this in Rbk752 Firmware Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing3.0 h
  • Review / QA2.0 h
14.0 hours of engineering $2,490
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,984.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2020-14441 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2020-14441 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data