Synology Router Manager up to 1.3.1-9346-11 FileStation Thumb CGI path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Synology Router Manager and classified as critical. This issue affects some unknown processing of the component FileStation Thumb CGI. The manipulation results in path traversal. This vulnerability was named CVE-2025-29843. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Synology Router Manager. It has been classified as critical. Affected is an unknown code of the component FileStation Thumb CGI. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The weakness was presented by Qian Chen as SA_25_04. The advisory is available at synology.com. This vulnerability is traded as CVE-2025-29843 since 03/12/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 1.3.1-9346-13 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (synology): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Router Manager 1.3.1-9346-13

Timelineinfo

03/12/2025 CVE reserved
12/04/2025 +267 days Advisory disclosed
12/04/2025 +0 days VulDB entry created
12/04/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: synology.com

Advisory: SA_25_04
Researcher: Qian Chen
Status: Confirmed

CVE: CVE-2025-29843 (🔒)
GCVE (CVE): GCVE-0-2025-29843
GCVE (VulDB): GCVE-100-334338

Entryinfo

Created: 12/04/2025 17:55
Changes: 12/04/2025 17:55 (32), 12/04/2025 17:56 (35)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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