CVE-2025-6810: Mescius Activereports.net

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

Mescius ActiveReports.NET ReadValue Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Mescius ActiveReports.NET. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the implementation of the ReadValue method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25246.

Affected products

• Mescius Activereports.net: version 18.1.1 only

Published 2025-07-07. Last modified 2026-06-17.