Eki 6333ac 2g FirmwareOperating system · Advantech

CVE-2024-50375

CRITICAL · 9.8 CVSS v3.1 Published 2024-11-26
Fix available
A fix is available. Upgrade to 1.2.2 / 1.6.5 or later.
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 CWE-306 "Missing Authentication for Critical Function" was discovered affecting the following devices manufactured by Advantech: EKI-6333AC-2G (<= 1.6.3), EKI-6333AC-2GD (<= v1.6.3) and EKI-6333AC-1GPO (<= v1.2.1). The vulnerability can be exploited by remote unauthenticated users capable of interacting with the default "edgserver" service enabled on the access point.

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

The Advantech EKI-6333AC series wireless access points contain a missing authentication vulnerability in the 'edgserver' service. Remote unauthenticated attackers can exploit this critical flaw (CVSS 9.8) to interact with the service without credentials, potentially gaining full administrative control over the affected device.

MitigationImplement authentication on the edgserver service or apply vendor-supplied patches/firmware updates; if no patch is available, disable the edgserver service and isolate the device behind a firewall to reduce attack surface.

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
Eki 6333ac 2g FirmwareOperating system
Affected:< 1.6.5
Eki 6333ac 2gd FirmwareOperating system
Affected:< 1.6.5
Eki 6333ac 1gpo FirmwareOperating system
Affected:< 1.2.2

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 device model
    Log into the device web interface or check the device label to confirm it is an Advantech EKI-6333AC series access point (specifically 2G, 2GD, or 1GPO variants)
    Affected if The device is an EKI-6333AC-2G, EKI-6333AC-2GD, or EKI-6333AC-1GPO model
  2. Check installed firmware version
    Access the device admin interface or use SNMP to retrieve the current firmware version
    Affected if Firmware version is below 1.6.5 for 2G/2GD models, or below 1.2.2 for 1GPO model
  3. Verify edgserver service status
    Check if the 'edgserver' service is running on the device via CLI (ps aux | grep edgserver) or through the device management interface
    Affected if The edgserver process is running and exposed on the network
  4. Assess network exposure
    Scan the network to determine if the edgserver port (typically ports 8080, 8443, or vendor-specific) is accessible from untrusted networks or the internet
    Affected if The edgserver service port is reachable from outside the trusted network without authentication requirements

A user is affected if they have an EKI-6333AC-2G/2GD device on firmware below 1.6.5 or an EKI-6333AC-1GPO device below 1.2.2, with the edgserver service running and network-accessible without credentials.

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 1.2.2 / 1.6.5 or later
Fixed in 1.2.21.6.5
Interim mitigation

Implement authentication on the edgserver service or apply vendor-supplied patches/firmware updates; if no patch is available, disable the edgserver service and isolate the device behind a firewall to reduce attack surface.

Recommended fix Moderate confidence

EKI-6333AC-2G and EKI-6333AC-2GD: upgrade to firmware version 1.6.5 or later; EKI-6333AC-1GPO: upgrade to firmware version 1.2.2 or later

  1. Identify the exact model of the Advantech EKI device (EKI-6333AC-2G, EKI-6333AC-2GD, or EKI-6333AC-1GPO) in your environment
  2. Download the firmware update from the official Advantech support website or contact Advantech directly for the patched firmware
  3. Verify the firmware hash/checksum if provided by Advantech to ensure integrity
  4. Follow Advantech's official firmware upgrade procedure for the specific device model - typically involves uploading the firmware file through the web interface or using TFTP/FTP
  5. Ensure the upgrade is performed during a planned maintenance window as firmware updates may cause brief network interruption
  6. After upgrading, verify the device is operational and the edgserver service is running properly
  7. Confirm the new firmware version matches the fixed release (1.6.5 for 2G/2GD models, 1.2.2 for 1GPO model)
Caveat Firmware upgrades may cause brief network disruption; ensure backup of configuration before upgrading if possible

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

Fix this in Eki 6333ac 2g Firmware Scoped from the published advisory
  • Consultation4.0 h
  • Implementation16.0 h
  • Testing8.0 h
  • Review / QA4.0 h
32.0 hours of engineering $5,600
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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-2024-50375 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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