CVE-2025-53753 is a reported vulnerability identifier that was reserved by Fortinet on July 9, 2025. However, the state of this CVE is marked as 'REJECTED,' indicating that after review, it was determined not to be a valid vulnerability or was withdrawn for other reasons. There are no technical details, affected versions, or exploit information available, and no CVSS score has been assigned. The absence of any descriptive information, patch links, or known exploits further supports that this CVE does not represent an active or confirmed security threat. The rejection status typically means that the CVE entry was either a duplicate, a false positive, or otherwise invalidated by the assigning authority. Therefore, no concrete technical threat exists under this identifier.

Given that CVE-2025-53753 is marked as rejected and lacks any technical details or evidence of exploitation, there is no impact on confidentiality, integrity, or availability to analyze. European organizations are not at risk from this non-existent vulnerability, and no operational or security consequences arise from this CVE entry.

Since this CVE is rejected and does not correspond to a valid vulnerability, no specific mitigation actions are necessary. Organizations should continue to follow standard security best practices, including timely patching of confirmed vulnerabilities and monitoring threat intelligence feeds for validated threats. It is important to verify the legitimacy of CVE entries before allocating resources to address them.