Moxa MGate 5121/MGate 5122/MGate 5123 1.0 Login Message cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in Moxa MGate 5121, MGate 5122 and MGate 5123 1.0. This issue affects some unknown processing of the component Login Message Handler. Executing a manipulation can lead to cross site scripting. This vulnerability is tracked as CVE-2025-0193. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Moxa MGate 5121, MGate 5122 and MGate 5123 1.0. It has been declared as problematic. This vulnerability affects an unknown functionality of the component Login Message Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

A stored Cross-site Scripting (XSS) vulnerability exists in the MGate 5121/5122/5123 Series firmware version v1.0 because of insufficient sanitization and encoding of user input in the "Login Message" functionality. An authenticated attacker with administrative access can exploit this vulnerability to inject malicious scripts that are continuously stored on the device. These scripts are executed when other users access the login page, potentially resulting in unauthorized actions or other impacts, depending on the user's privileges.

The weakness was disclosed by Dmitrii Mosichkin. The advisory is available at moxa.com. This vulnerability was named CVE-2025-0193 since 01/03/2025. The exploitation appears to be easy. The attack can be initiated remotely. Additional levels of successful authentication are required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Automation Software

Vendor

• Moxa

Name

• MGate 5121
• MGate 5122
• MGate 5123

Version

• 1.0

License

• commercial

Website

• Vendor: https://www.moxa.com/

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Entryinfo

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