CVE-2025-29843

Published: Dec 4, 2025Modified: Dec 5, 2025

5.4

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitability: 2.8 / Impact: 2.5

Source: security@synology.com (Secondary)

Description

A vulnerability in FileStation thumb cgi allows remote authenticated users to read/write image files.

Affected (14)

Products: Synology: Router Manager

1 product

Configuration A

14 vulnerable

Vulnerable Software	Affected Versions
Synology Router Manager	From 1.3 to 1.3.1-9346
Synology Router Manager	Version 1.3.1-9346
Synology Router Manager	Version 1.3.1-9346 update10
Synology Router Manager	Version 1.3.1-9346 update11
Synology Router Manager	Version 1.3.1-9346 update12
Synology Router Manager	Version 1.3.1-9346 update1
Synology Router Manager	Version 1.3.1-9346 update2
Synology Router Manager	Version 1.3.1-9346 update3
Synology Router Manager	Version 1.3.1-9346 update4
Synology Router Manager	Version 1.3.1-9346 update5
Synology Router Manager	Version 1.3.1-9346 update6
Synology Router Manager	Version 1.3.1-9346 update7
Synology Router Manager	Version 1.3.1-9346 update8
Synology Router Manager	Version 1.3.1-9346 update9

Related CWEs

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

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

References (1)

https://www.synology.com/en-global/security/advisory/Synology_SA_25_04

Source: security@synology.com

Vendor Advisory

Timeline

No history available yet.