CVE-2025-4239

CVE-2025-4239 is a critical buffer overflow vulnerability affecting the TYPE Command Handler in PCMan FTP Server version 2.0.7. This flaw allows for remote exploitation, enabling an unauthenticated attacker to achieve full compromise of the affected system, including confidentiality, integrity, and availability. While public exploit code exists, there is currently no evidence of active exploitation or significant community discussion surrounding this vulnerability. Despite the high CVSS score of 9.8, its low EPSS score suggests a lower likelihood of widespread exploitation in the wild.