Synology DiskStation Manager up to 7.3.1/7.3.2-86009-4/7.4.1-90080-0 Promotion API missing authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.66+

Summaryinfo

A vulnerability categorized as problematic has been discovered in Synology DiskStation Manager up to 7.3.1/7.3.2-86009-4/7.4.1-90080-0. Affected is an unknown function of the component Promotion API. The manipulation results in missing authentication. This vulnerability was named CVE-2026-19414. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Synology DiskStation Manager up to 7.3.1/7.3.2-86009-4/7.4.1-90080-0. Affected is an unknown functionality of the component Promotion API. The manipulation with an unknown input leads to a missing authentication vulnerability. CWE is classifying the issue as CWE-306. The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. This is going to have an impact on integrity. CVE summarizes:

A missing authorization vulnerability in the Promotion API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote authenticated users to write specific files.

The advisory is shared for download at synology.com. This vulnerability is traded as CVE-2026-19414 since 08/10/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 7.3.2-86009-5 or 7.4.1-90080-1 eliminates this vulnerability.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

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

CNA Base Score: 4.3
CNA Vector (synology): 🔒

CVSSv2info

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

Exploitinginfo

Class: Missing authentication
CWE: CWE-306 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
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: DiskStation Manager 7.3.2-86009-5/7.4.1-90080-1

Timelineinfo

08/10/2026 CVE reserved
11/12/2026 +94 days Advisory disclosed
11/12/2026 +0 days VulDB entry created
11/12/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: synology.com

Advisory: synology.com
Status: Confirmed

CNA: synology
CVE: CVE-2026-19414 (🔒)

GCVE (CVE): GCVE-0-2026-19414
GCVE (VulDB): GCVE-100-436248

Entryinfo

Created: 11/12/2026 05:03
Changes: 11/12/2026 05:03 (64)
Complete: 🔍
Cache ID: 216::103

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