CVE-2025-29843

MEDIUM
Published Dec 4, 2025 Modified Dec 5, 2025 CWE-22

Description

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

CVSS v3.1 Score

5.4
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor Product
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager
synology router_manager

References

Frequently Asked Questions

What is CVE-2025-29843? +
A vulnerability in FileStation thumb cgi allows remote authenticated users to read/write image files. It has a CVSS v3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2025-29843? +
CVE-2025-29843 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-29843? +
CVE-2025-29843 affects products from synology, specifically: router_manager. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-29843? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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