Aterm Wg1800hp4 FirmwareOperating system · Nec

CVE-2024-28009

CRITICAL · 9.8 CVSS v3.1 Published 2024-03-28
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable 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
Improper authentication vulnerability in NEC Corporation Aterm WG1800HP4, WG1200HS3, WG1900HP2, WG1200HP3, WG1800HP3, WG1200HS2, WG1900HP, WG1200HP2, W1200EX(-MS), WG1200HS, WG1200HP, WF300HP2, W300P, WF800HP, WR8165N, WG2200HP, WF1200HP2, WG1800HP2, WF1200HP, WG600HP, WG300HP, WF300HP, WG1800HP, WG1400HP, WR8175N, WR9300N, WR8750N, WR8160N, WR9500N, WR8600N, WR8370N, WR8170N, WR8700N, WR8300N, WR8150N, WR4100N, WR4500N, WR8100N, WR8500N, CR2500P, WR8400N, WR8200N, WR1200H, WR7870S, WR6670S, WR7850S, WR6650S, WR6600H, WR7800H, WM3400RN, WM3450RN, WM3500R, WM3600R, WM3800R, WR8166N, MR01LN MR02LN, WG1810HP(JE) and WG1810HP(MF) all versions allows a attacker to execute an arbitrary command with the root privilege via the internet.

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

Improper authentication vulnerability in numerous NEC Aterm router models allows unauthenticated remote attackers to execute arbitrary commands with root privileges via the internet. The vulnerability stems from insufficient authentication controls in the router's web management interface or other network services.

MitigationApply vendor firmware updates when available; if no update exists, restrict internet-facing access to router management interfaces using firewall rules or disable remote management entirely.

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
Aterm Wg1800hp4 FirmwareOperating system
Affected:all versions
Aterm Wg1200hs3 FirmwareOperating system
Affected:all versions
Aterm Wg1900hp2 FirmwareOperating system
Affected:all versions
Aterm Wg1200hp3 FirmwareOperating system
Affected:all versions
Aterm Wg1800hp3 FirmwareOperating system
Affected:all versions
Aterm Wg1200hs2 FirmwareOperating system
Affected:all versions
Aterm Wg1900hp FirmwareOperating system
Affected:all versions
Aterm Wg1200hp2 FirmwareOperating system
Affected:all versions

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
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/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 router model and firmware version
    Log into the router web administration interface (typically at 192.168.0.1 or 192.168.1.1) and navigate to the status or firmware information page to confirm the exact model number and firmware version.
    Affected if The router model matches any of the following: Wg1800hp4, Wg1200hs3, Wg1900hp2, Wg1200hp3, Wg1800hp3, Wg1200hs2, Wg1900hp, or Wg1200hp2 - regardless of firmware version.
  2. Verify remote management exposure
    In the router admin interface, locate the remote management or remote access settings (usually under Advanced, Administration, or Network settings). Check if any option enabling access from the internet is enabled.
    Affected if Remote management, remote access, or web interface access from WAN/internet is enabled.
  3. Confirm management port internet accessibility
    From an external network (not on the router's LAN), attempt to access the router's web interface using its public IP address on common management ports such as 80, 443, 8080, or 8443.
    Affected if The router's web management interface is reachable from the public internet on any port.
  4. Review administrative access logs
    Check the router's system logs, security logs, or administration logs for any remote login attempts, especially those from external IP addresses or at unusual times.
    Affected if Log entries show successful remote logins from unknown external IP addresses or multiple failed authentication attempts followed by successful access.
  5. Check for unauthorized configuration changes
    Review the router's current configuration, particularly any port forwarding rules, firewall exceptions, or DNS settings that were not intentionally configured.
    Affected if Unexpected port forwarding rules, firewall exceptions, or DNS changes exist that were not created by the administrator.

The environment is affected if the router is any of the listed NEC Aterm models and its web management interface or remote administration feature is accessible from the internet.

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 vendor firmware updates when available; if no update exists, restrict internet-facing access to router management interfaces using firewall rules or disable remote management entirely.

Fix this in Aterm Wg1800hp4 Firmware Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing8.0 h
  • Review / QA4.0 h
30.0 hours of engineering $5,280
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Scan for this in your stack

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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-2024-28009 in production — separate from our analysis above.

No notes yet

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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
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