QNAP Qsync Central 4.3.0.11/4.4.0.15/4.4.0.16_20240819/4.5.0.6 User Account allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in QNAP Qsync Central. The affected element is an unknown function of the component User Account Handler. Such manipulation leads to allocation of resources. This vulnerability is uniquely identified as CVE-2025-30260. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in QNAP Qsync Central. Affected by this issue is some unknown functionality of the component User Account Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. CVE summarizes:

An allocation of resources without limits or throttling vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.7 ( 2025/04/23 ) and later

The weakness was disclosed by coral as qsa-25-22. The advisory is shared for download at qnap.com. This vulnerability is handled as CVE-2025-30260 since 03/20/2025. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 4.5.0.7 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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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: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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: Qsync Central 4.5.0.7

Timelineinfo

03/20/2025 CVE reserved
08/29/2025 +161 days Advisory disclosed
08/29/2025 +0 days VulDB entry created
08/29/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: qnap.com

Advisory: qsa-25-22
Researcher: coral
Status: Confirmed

CVE: CVE-2025-30260 (🔒)
GCVE (CVE): GCVE-0-2025-30260
GCVE (VulDB): GCVE-100-321932

Entryinfo

Created: 08/29/2025 23:19
Changes: 08/29/2025 23:19 (68)
Complete: 🔍
Cache ID: 216::103

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