Advantech EKI-6333AC-2G/EKI-6333AC-2GD/EKI-6333AC-1GPO API sta_log_htm os command injection

Summaryinfo

A vulnerability marked as critical has been reported in Advantech EKI-6333AC-2G, EKI-6333AC-2GD and EKI-6333AC-1GPO. This affects the function sta_log_htm of the component API. This manipulation causes os command injection. The identification of this vulnerability is CVE-2024-50367. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Advantech EKI-6333AC-2G, EKI-6333AC-2GD and EKI-6333AC-1GPO (the affected version is unknown). Affected by this vulnerability is the function sta_log_htm of the component API. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A CWE-78 "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')" 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 source of the vulnerability relies on multiple parameters belonging to the "sta_log_htm" API which are not properly sanitized before being concatenated to OS level commands.

The weakness was shared by Diego Zaffaroni. The advisory is shared at nozominetworks.com. This vulnerability is known as CVE-2024-50367 since 10/23/2024. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are needed for exploitation. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/24/2026). MITRE ATT&CK project uses the attack technique T1202 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Advantech

Name

• EKI-6333AC-1GPO
• EKI-6333AC-2G
• EKI-6333AC-2GD

License

• commercial

Website

• Vendor: https://www.advantech.com/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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