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Dir 823g FirmwareOperating system · Dlink

CVE-2024-13030

CRITICAL · 9.8 CVSS v3.1 Published 2024-12-30
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
A vulnerability was found in D-Link DIR-823G 1.0.2B05_20181207. It has been rated as critical. This issue affects the function SetAutoRebootSettings/SetClientInfo/SetDMZSettings/SetFirewallSettings/SetParentsControlInfo/SetQoSSettings/SetVirtualServerSettings of the file /HNAP1/ of the component Web Management Interface. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

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

Critical authentication bypass in D-Link DIR-823G router's HNAP1 web interface allows remote attackers to execute multiple configuration functions (SetAutoRebootSettings, SetClientInfo, SetDMZSettings, SetFirewallSettings, SetParentsControlInfo, SetQoSSettings, SetVirtualServerSettings) without any authentication. The CVSS 9.8 indicates trivial remote exploitation leading to complete device compromise.

MitigationThis is an end-of-life device (2018 firmware) receiving no further updates. Replace the router with a currently supported model. If immediate replacement is impossible, disable remote web management, place device behind a firewall, and ensure it is not internet-facing.

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
Dir 823g FirmwareOperating system
Affected:= 1.0.2b05_20181207

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 the router model
    Check the device label on the router or log into the admin interface to confirm the model is D-Link DIR-823G
    Affected if Device model is DIR-823G
  2. Check the firmware version
    Log into the router admin interface (typically at 192.168.0.1) and navigate to Status or Management section to view the firmware version. Compare against 1.0.2b05_20181207
    Affected if Firmware version is exactly 1.0.2b05_20181207
  3. Verify HNAP1 interface accessibility
    Attempt to access the HNAP1 SOAP endpoint via HTTP request to the router's LAN IP (example: http://192.168.0.1/HNAP1 or check if the interface responds to HNAP1 requests)
    Affected if HNAP1 endpoint responds without requiring authentication credentials
  4. Check if remote web management is enabled
    In router admin interface, go to Management > Remote Management or similar section. Verify if remote access from WAN is permitted
    Affected if Remote management is enabled and the router is accessible from external networks

The device is affected if it is a D-Link DIR-823G running firmware version 1.0.2b05_20181207 with the HNAP1 web interface accessible, particularly from remote 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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

This is an end-of-life device (2018 firmware) receiving no further updates. Replace the router with a currently supported model. If immediate replacement is impossible, disable remote web management, place device behind a firewall, and ensure it is not internet-facing.

Recommended fix Moderate confidence

DIR-823G latest firmware version available from D-Link (check www.dlink.com for version after 1.0.2b05_20181207)

  1. 1. Visit D-Link's official support page for the DIR-823G device at www.dlink.com
  2. 2. Navigate to the firmware downloads section for model DIR-823G
  3. 3. Download the latest available firmware version (check release notes for security fixes)
  4. 4. Access the device's web management interface at the default IP address
  5. 5. Navigate to the Administration or System section
  6. 6. Locate the firmware upgrade option and upload the downloaded firmware file
  7. 7. Wait for the upgrade process to complete and the device to reboot
  8. 8. Verify the new firmware version is installed and the device functions normally
Caveat Firmware upgrades on older D-Link devices may reset configuration to defaults; backup current settings before upgrading

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

Fix this in Dir 823g Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
7.0 hours of engineering $1,280
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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-2024-13030 in production — separate from our analysis above.

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What this is

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What belongs here
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  • Version or environment caveats, and links to real fixes
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