CVE-2026-40533: Exposure of Sensitive Information Through Data Queries in Synology DiskStation Manager (DSM)
CVE-2026-40533 is a medium severity vulnerability in Synology DiskStation Manager (DSM) Desktop API that allows remote attackers to obtain non-sensitive information through data queries. It affects specific versions prior to 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. The vulnerability does not impact integrity or availability and does not require user interaction or privileges to exploit.
AI Analysis
Technical Summary
This vulnerability in Synology DiskStation Manager (DSM) Desktop API allows remote attackers to expose sensitive information through crafted data queries. The affected versions are DSM versions >=7.2.1 and <7.2.1-69057-10, >=7.2.2 and <7.2.2-72806-7, and >=7.3 and <7.3.2-86009-2. The CVSS v3.1 base score is 5.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The impact is limited to confidentiality (partial information disclosure) with no impact on integrity or availability.
Potential Impact
Remote attackers can obtain non-sensitive information from the affected DSM Desktop API versions without authentication or user interaction. The information exposure is limited to confidentiality impact and does not affect system integrity or availability.
Mitigation Recommendations
A fix is available in Synology DiskStation Manager versions 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. Users should upgrade to these or later versions to remediate the vulnerability.
CVE-2026-40533: Exposure of Sensitive Information Through Data Queries in Synology DiskStation Manager (DSM)
Description
CVE-2026-40533 is a medium severity vulnerability in Synology DiskStation Manager (DSM) Desktop API that allows remote attackers to obtain non-sensitive information through data queries. It affects specific versions prior to 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. The vulnerability does not impact integrity or availability and does not require user interaction or privileges to exploit.
CVSS v3.1
Score 5.3medium
Affected software
Synology
DiskStation Manager (DSM)
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Synology DiskStation Manager (DSM) Desktop API allows remote attackers to expose sensitive information through crafted data queries. The affected versions are DSM versions >=7.2.1 and <7.2.1-69057-10, >=7.2.2 and <7.2.2-72806-7, and >=7.3 and <7.3.2-86009-2. The CVSS v3.1 base score is 5.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. The impact is limited to confidentiality (partial information disclosure) with no impact on integrity or availability.
Potential Impact
Remote attackers can obtain non-sensitive information from the affected DSM Desktop API versions without authentication or user interaction. The information exposure is limited to confidentiality impact and does not affect system integrity or availability.
Mitigation Recommendations
A fix is available in Synology DiskStation Manager versions 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. Users should upgrade to these or later versions to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- synology
- Date Reserved
- 2026-04-14T01:01:14.606Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aadb77455bf5e2cf59e6432
Added to database: 09/18/2026, 22:13:08 UTC
Last enriched: 09/18/2026, 22:16:18 UTC
Last updated: 09/19/2026, 00:37:37 UTC
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.