QNAP File Station 5.5.6.4847 path traversal

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in QNAP File Station 5.5.6.4847. This vulnerability affects unknown code. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2025-33035. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in QNAP File Station 5.5.6.4847 and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A path traversal vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.4847 and later

The weakness was disclosed by coral as qsa-25-16. It is possible to read the advisory at qnap.com. The identification of this vulnerability is CVE-2025-33035 since 04/15/2025. The exploitation is known to be easy. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Upgrading to version 5.5.6.4847 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17330). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
NVD Vector: 🔍

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: File Station 5.5.6.4847

Timelineinfo

04/15/2025 🔍
06/06/2025 +52 days 🔍
06/06/2025 +0 days 🔍
09/17/2025 +103 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-25-16
Researcher: coral
Status: Confirmed

CVE: CVE-2025-33035 (🔍)
GCVE (CVE): GCVE-0-2025-33035
GCVE (VulDB): GCVE-100-311567
EUVD: 🔍

Entryinfo

Created: 06/06/2025 22:04
Updated: 09/17/2025 20:56
Changes: 06/06/2025 22:04 (68), 06/07/2025 06:16 (1), 09/17/2025 20:56 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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