CVE-2025-53852 is listed as a vulnerability identifier assigned by Fortinet and reserved on July 10, 2025. However, the vulnerability entry is marked with a state of "REJECTED," indicating that after review, this CVE was not accepted as a valid or confirmed security vulnerability. There are no technical details, affected versions, or exploit information provided. No CVSS score or patch information is available, and no known exploits in the wild have been reported. The absence of descriptive data and the rejected status strongly suggest that this entry does not represent an actual security threat or vulnerability but rather a placeholder or an invalid submission that was not validated by the CVE authority.

Given that CVE-2025-53852 is rejected and lacks any technical details or confirmation of a vulnerability, there is no direct impact on European organizations or any other entities. No exploitation or attack vectors are known, and no affected products or systems have been identified. Therefore, this entry does not pose any risk or operational impact to organizations in Europe or globally.

Since this CVE entry is rejected and does not correspond to a confirmed vulnerability, no specific mitigation actions are required. Organizations should continue to follow standard cybersecurity best practices, including timely patching of validated vulnerabilities, network monitoring, and incident response preparedness. It is also advisable to monitor official vulnerability databases and vendor advisories for any future updates or confirmed issues related to Fortinet products or other relevant systems.