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Description

QuickShare File Server 1.2.1 contains a path traversal vulnerability in its FTP service due to improper sanitation of user-supplied file paths. Authenticated users can exploit this flaw by submitting crafted sequences to access or write files outside the intended virtual directory. When the "Writable" option is enabled (default during account creation), this allows attackers to upload arbitrary files to privileged locations such as system32, enabling remote code execution via MOF injection or executable placement.

PUBLISHED Reserved 2025-08-11 | Published 2025-08-13 | Updated 2025-08-14 | Assigner VulnCheck




CRITICAL: 9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Default status
unknown

* before 1.2.2
affected

Credits

modpr0be finder

References

raw.githubusercontent.com/...p/quickshare_traversal_write.rb exploit

www.exploit-db.com/exploits/16105 exploit

www.exploit-db.com/exploits/18933 exploit

web.archive.org/...-1-2-1-directory-traversal-vulnerability/ technical-description exploit

web.archive.org/...uickshare-file-server-1-2-2-released.html vendor-advisory patch

www.vulncheck.com/...ickshare-file-server-path-traversal-rce third-party-advisory

cve.org (CVE-2011-10010)

nvd.nist.gov (CVE-2011-10010)

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