QNAP Qsync Central 4.3.0.11/4.4.0.15/4.4.0.16_20240819 format string

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in QNAP Qsync Central. This affects an unknown part. The manipulation leads to format string. This vulnerability is referenced as CVE-2025-22482. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in QNAP Qsync Central. This issue affects some unknown processing. The manipulation with an unknown input leads to a format string vulnerability. Using CWE to declare the problem leads to CWE-134. The product uses a function that accepts a format string as an argument, but the format string originates from an external source. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A use of externally-controlled format string vulnerability has been reported to affect Qsync Central. If exploited, the vulnerability could allow remote attackers who have gained user access to obtain secret data or modify memory. We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.6 ( 2025/03/20 ) and later

The weakness was published by Searat and Izut as qsa-25-10. It is possible to read the advisory at qnap.com. The identification of this vulnerability is CVE-2025-22482 since 01/07/2025. The exploitation is known to be difficult. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.5.0.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17341). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

QNAP

Name

Qsync Central

Version

License

commercial

Website

Vendor: https://www.qnap.com/

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: 5.0
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Format string
CWE: CWE-134 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Qsync Central 4.5.0.6

Timelineinfo

01/07/2025 🔍
06/06/2025 +149 days 🔍
06/06/2025 +0 days 🔍
06/09/2025 +3 days 🔍

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-25-10
Researcher: Searat, Izut
Status: Confirmed

CVE: CVE-2025-22482 (🔍)
GCVE (CVE): GCVE-0-2025-22482
GCVE (VulDB): GCVE-100-311555
EUVD: 🔍

Entryinfo

Created: 06/06/2025 18:55
Updated: 06/09/2025 14:34
Changes: 06/06/2025 18:55 (68), 06/07/2025 06:16 (1), 06/09/2025 14:34 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.