Is CVE-2018-25366 actively exploited?

No active exploitation of CVE-2018-25366 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-25366 be exploited remotely?

No. CVE-2018-25366 requires local access to exploit.

What is the CVSS score of CVE-2018-25366?

CVE-2018-25366 has a CVSS score of 8.4 (HIGH).

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HIGH

CVE-2018-25366

CWE-120Published: May 25, 2026· Updated: May 26, 2026

8.4

CVSS v3.1

EPSS:0.01%probability of exploitation in 30 daysPercentile:2.3th

Official Description

CuteFTP 5.0 XP contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by injecting malicious payload into the Site Manager label field. Attackers can craft a payload exceeding 520 bytes that overwrites the return address and executes shellcode when a shortcut is created and launched.

NVD Source

Technical Analysis

CVE-2018-25366 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.4.