CVE-2025-4253: PCMan FTP Server HASH Command buffer overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-05-04 · updated 2026-06-17
Weakness: CWE-119

Description

A vulnerability was found in PCMan FTP Server 2.0.7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component HASH Command Handler. The manipulation leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

PCMan FTP Server: 2.0.7

References

https://fitoxs.com/exploit/exploit-6a5b279ed51b35667909c1b56d4d85d71d41bc6e73d4fbbf3de2b1f59ebd6d08.txt
https://vuldb.com/?ctiid.307357
https://vuldb.com/?id.307357
https://vuldb.com/?submit.561609

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