Rbr760 FirmwareOperating system · Netgear

CVE-2023-41183

HIGH · 8.8 CVSS v3.0 Published 2024-05-03
Fix available
A fix is available. Upgrade to 6.3.8.5 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
NETGEAR Orbi 760 SOAP API Authentication Bypass Vulnerability. This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of NETGEAR Orbi 760 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of the SOAP API. The issue results from the lack of authentication prior to allowing access to functionality. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-20524.

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

The NETGEAR Orbi 760 router has an authentication bypass vulnerability in its SOAP API implementation. The SOAP API fails to perform authentication checks before allowing access to administrative functions, enabling network-adjacent attackers to bypass authentication entirely and gain unauthorized access to router management features.

MitigationApply the latest NETGEAR firmware update for the Orbi 760 when available; until then, restrict network access to trusted devices only and consider network segmentation to limit exposure to adjacent attackers.

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
Rbr760 FirmwareOperating system
Affected:< 6.3.8.5

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:3.0/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 the router model
    Access the router admin interface or check the device label/mac address to confirm the model is Netgear Rbr760 (Orbi 760)
    Affected if The device is not a Netgear Rbr760 unit - other models are not affected by this specific CVE
  2. Check the installed firmware version
    Log into the router admin interface (typically at 192.168.1.1) and navigate to Administration > Firmware Update or Advanced > Administration > Router Update to view the current firmware version
    Affected if Firmware version is lower than 6.3.8.5 (e.g., 6.3.8.4, 6.3.6.5, etc.)
  3. Determine if the SOAP API is network accessible
    Check if the router's SOAP service ports are exposed to the network. The SOAP API typically runs on HTTP (port 80) or HTTPS (port 443). Use a network scan (nmap -sV <router-ip> -p 80,443) or check router port forwarding/firewall settings
    Affected if The SOAP API ports (80/443) are accessible from an untrusted network segment or the internet
  4. Verify SOAP API authentication behavior
    From a network-adjacent host, attempt to access a known SOAP API endpoint without credentials (e.g., curl http://<router-ip>/soap.cgi?service=DeviceInfo or check if the WSDL is accessible without login)
    Affected if The SOAP API responds with administrative configuration data or accepts commands without requiring authentication credentials

The environment is affected if you have a Netgear Rbr760 router running firmware version below 6.3.8.5 AND the router's SOAP API interface is accessible from your network without authentication barriers.

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.

dbcve · scoped
Upgrade available Upgrade to 6.3.8.5 or later
Fixed in 6.3.8.5
Interim mitigation

Apply the latest NETGEAR firmware update for the Orbi 760 when available; until then, restrict network access to trusted devices only and consider network segmentation to limit exposure to adjacent attackers.

Recommended fix High confidence

Rbr760 Firmware 6.3.8.5 or later

  1. Log in to the NETGEAR Orbi router web interface (typically at routerlogin.net or routerlogin.com)
  2. Navigate to the Administration or Settings section
  3. Look for Firmware Update or Manual Update option
  4. Download the latest firmware version 6.3.8.5 or higher from the official NETGEAR support website (kb.netgear.com)
  5. Upload the firmware file and wait for the update to complete
  6. Verify the firmware version after the update confirms successful installation
Caveat Firmware updates may temporarily disrupt network connectivity; ensure stable power during the upgrade process

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Rbr760 Firmware Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing3.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,750
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,800.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

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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-2023-41183 in production — separate from our analysis above.

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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