CVE-2018-25366: CuteFTP 5.0 XP Buffer Overflow via Site Manager Label Field

Severity: high (CVSS 8.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-25 · updated 2026-07-23
Weakness: CWE-120

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.

Affected products

Global Scape CuteFTP: 5.0.4

References

http://installer.globalscape.com/pub/cuteftp/archive/english/cuteftp50.exe
https://www.exploit-db.com/exploits/45259
https://www.vulncheck.com/advisories/cuteftp-xp-buffer-overflow-via-site-manager-label-field

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