QNAP Qsync Central 4.3.0.11/4.4.0.15/4.4.0.16_20240819/4.5.0.6 certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in QNAP Qsync Central. It has been rated as critical. The affected element is an unknown function. The manipulation leads to certificate validation. This vulnerability is referenced as CVE-2025-30277. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in QNAP Qsync Central. It has been rated as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is integrity. The summary by CVE is:

An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.7 ( 2025/04/23 ) and later

The weakness was published by coral as qsa-25-22. The advisory is shared at qnap.com. The identification of this vulnerability is CVE-2025-30277 since 03/20/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.

Upgrading to version 4.5.0.7 eliminates this vulnerability.

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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: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
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: Certificate validation
CWE: CWE-295 / CWE-287
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-2025-30277 (🔒)
GCVE (CVE): GCVE-0-2025-30277
GCVE (VulDB): GCVE-100-321965

Entryinfo

Created: 08/29/2025 23:28
Changes: 08/29/2025 23:28 (68)
Complete: 🔍
Cache ID: 216::103

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