Advantech EKI-1242EIMS up to 1.06.01 Modbus Transaction Management Interface cross site scripting

Summaryinfo

A vulnerability was found in Advantech EKI-1242EIMS up to 1.06.01. It has been classified as problematic. This issue affects some unknown processing of the component Modbus Transaction Management Interface. The manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-73169. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Advantech EKI-1242EIMS up to 1.06.01. This issue affects an unknown code block of the component Modbus Transaction Management Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Nozomi Networks Labs identified a CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in the Modbus transaction management interface of Advantech EKI-1242EIMS in firmware version V1.06.01 that allows a remote authenticated attacker to store malicious script content that executes in the browser of any administrator who later opens an affected management page.

The advisory is shared at nozominetworks.com. The identification of this vulnerability is CVE-2026-73169 since 08/11/2026. The exploitation is known to be easy. The attack may be initiated remotely. Additional levels of successful authentication are necessary for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

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

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Productinfo

Vendor

• Advantech

Name

• EKI-1242EIMS

Version

• 1.06.01

License

• commercial

Website

• Vendor: https://www.advantech.com/

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