Directory traversal vulnerability in the SYNO.FileStation.Extract in Synology File Station before 1.1.1-0099 allows remote authenticated us…

published 2017-12-08 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7312

cvss: 6.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.8%; EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits: 0; none known

Directory traversal vulnerability in the SYNO.FileStation.Extract in Synology File Station before 1.1.1-0099 allows remote authenticated users to write arbitrary files via the dest_folder_path parameter.

Patch / fix

fixed in 1

synology file_station 1.1.1-0099

Exploit prediction

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

Synology Synology File Station

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

synology.com /en-global/support/security/Synology_SA_17_69_File_Station
issue-tracking

Sources

CVE List CVE-2017-15893
NVD CVE-2017-15893

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary