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CVE-2026-15198 synology diskstation manager (dsm)

6.5 mediumEPSS 0.7%

Medium (6.5) in synology diskstation manager (dsm). EPSS 0.7% estimated probability of exploitation activity in the next 30 days.

On this page
A missing authentication for critical functionality vulnerability in the Webdav API in Synology DiskStation Manager (DSM) before 7.3.2-86009-5 and 7.4.1-90080-1 allows remote attackers to read specific files and conduct limited denial-of-service attacks.

Severity

CVSS 3.1

6.5 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
EPSS
0.7% estimated probability of exploitation activity in the next 30 days; 55th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CWE
CWE-306 Missing Authentication for Critical Functionality
OWASP Top 10
A07:2025 Authentication Failures
Published
Modified
Assigned by
synology (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • synology:diskstation manager (dsm)

Versions

From the CNA's record in the CVE List.

ProductAffected
Synology DiskStation Manager (DSM)from 7.4.1 before 7.4.1-90080-1
Synology DiskStation Manager (DSM)from 7.3.2 before 7.3.2-86009-5

Attack patterns (CAPEC)

  • CAPEC-12 Choosing Message Identifier Likelihood: High · Severity: High
  • CAPEC-36 Using Unpublished Interfaces or Functionality Likelihood: Medium · Severity: High
  • CAPEC-62 Cross Site Request Forgery Likelihood: High · Severity: Very High
  • CAPEC-166 Force the System to Reset Values Severity: Medium
  • CAPEC-216 Communication Channel Manipulation

The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.

References

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