dbcve.org
Improper Input ValidationWeakness · CWE-20

CVE-2026-62656

MEDIUM · 5.4 CVSS v4.0 Published 2026-07-14
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
56/100
Remediation priority · Elevated
Zero-click 5 weeks old

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
A security flaw was found in certain NETGEAR RAX models that could allow a logged-in user to send specially crafted requests to the router and run unauthorized commands. This could enable the user to make unauthorized changes to the router and affect its security and operation.

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 · moderate confidence

Command injection vulnerability in NETGEAR RAX router models allowing authenticated users to execute arbitrary commands via specially crafted HTTP requests. The flaw enables a logged-in user to bypass normal authorization and run unauthorized commands on the device, potentially compromising router security and operation.

MitigationApply NETGEAR firmware updates for affected RAX models when available. Until then, limit administrative access to trusted users only and monitor for suspicious requests.

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

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
High
Authentication
X
User interaction
None
Scope
X

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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 device model
    Access router admin interface (typically at 192.168.1.1) and navigate to Administration > Device Settings or similar, or check the device label for model number
    Affected if Device is a NETGEAR RAX series router (e.g., RAX40, RAX50, RAX80, RAX120, RAX200)
  2. Check firmware version
    In router admin interface, go to Administration > Firmware Update or Advanced > Administration > Firmware version. Compare against NETGEAR's official firmware release notes for your model.
    Affected if Firmware version is older than the latest available patch from NETGEAR for your specific RAX model
  3. Verify admin access controls
    In router settings, check Administration > Remote Management or Access Control. Confirm whether remote admin access is enabled and from which IP addresses.
    Affected if Remote management/administration is enabled and accessible from WAN (internet-facing)
  4. Review admin account list
    Navigate to Administration > User Accounts or Advanced > Administration > User Management. List all configured administrator accounts.
    Affected if Unexpected or unrecognized administrator accounts exist on the router
  5. Examine system logs for suspicious activity
    In router admin, go to Advanced > Administration > Logs or System > Log. Search for unusual commands, unexpected IP addresses, or repeated authentication attempts.
    Affected if Logs contain unfamiliar commands, unexpected source IPs, or signs of automated attack scripts
  6. Check for unauthorized processes or configurations
    If you have telnet/ssh access to the router, run 'ps' or 'top' to list running processes. Check for unfamiliar binaries or network listeners using 'netstat'.
    Affected if Unknown processes are running or unusual network listeners are established on the device

A user is affected if they operate a NETGEAR RAX router with outdated firmware or have exposed the admin interface to untrusted networks, combined with evidence of unauthorized access or unexpected configuration changes.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply NETGEAR firmware updates for affected RAX models when available. Until then, limit administrative access to trusted users only and monitor for suspicious requests.

Have this fixed Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing6.0 h
  • Review / QA4.0 h
22.0 hours of engineering $3,860
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2026-62656 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

Get it on GitHub Scan in the browser

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-2026-62656 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