CVE-2025-59877 is a reported vulnerability identifier that was reserved on September 22, 2025, and assigned by Fortinet. 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 there are no known exploits in the wild. The absence of details and the rejected status strongly suggest that this CVE does not represent an actual security threat or vulnerability. It may have been a duplicate, a false positive, or otherwise invalid submission that did not meet the criteria for a CVE entry.

Given that CVE-2025-59877 is marked as REJECTED and lacks any technical details or confirmed vulnerabilities, there is no impact to analyze. European organizations are not at risk from this non-existent or invalid vulnerability. No confidentiality, integrity, or availability concerns arise from this entry.

Since this CVE is rejected and does not represent a valid vulnerability, no specific mitigation actions are necessary. Organizations should continue to follow standard cybersecurity best practices and keep their systems updated with legitimate patches and advisories from trusted sources. Monitoring official vulnerability databases for confirmed threats remains essential.