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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.

PUBLISHED Reserved 2026-05-25 | Published 2026-05-25 | Updated 2026-05-26 | Assigner VulnCheck




HIGH: 8.6CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
HIGH: 8.4CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Product status

5.0.4
affected

Credits

Matteo Malvica finder

References

www.exploit-db.com/exploits/45259 (ExploitDB-45259) exploit

installer.globalscape.com/...p/archive/english/cuteftp50.exe (Product Reference) product

www.vulncheck.com/...r-overflow-via-site-manager-label-field (VulnCheck Advisory: CuteFTP 5.0 XP Buffer Overflow via Site Manager Label Field) third-party-advisory

cve.org (CVE-2018-25366)

nvd.nist.gov (CVE-2018-25366)

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