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CVE-2026-40532 Synology CVE debrief

CVE-2026-40532 is a medium-severity vulnerability in Synology DiskStation Manager (DSM) that allows remote authenticated users to obtain sensitive information via a direct request ('forced browsing') in Wallpaper Path. The CVE record was published on 2026-09-18T09:16:40.473Z and has not been modified since then. This vulnerability exists in the Wallpaper Path component of Synology DiskStation Manager (DSM). Affected versions include DSM 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2. Defenders should prioritize verifying and remediating this vulnerability in Synology DSM installations, particularly in environments where sensitive information is at risk. The CVE record and NVD  

Vendor
Synology
Product
DiskStation Manager (DSM)
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-18
Original CVE updated
2026-09-18
Advisory published
2026-09-18
Advisory updated
2026-09-18

Who should care

Defenders responsible for Synology DSM installations, particularly in environments where sensitive information is at risk, should assess exposure and prioritize remediation.

Why it matters

CVE-2026-40532 is a medium-severity vulnerability in Synology DiskStation Manager (DSM) that allows remote authenticated users to obtain sensitive information. Defenders should prioritize verifying and remediating this vulnerability in Synology DSM installations, particularly in environments where sensitive information is at risk. The CVE record and NVD entry provide limited information about the vulnerability, with the primary source being the Synology security advisory. Further verification is required to determine the full scope of affected versions and potential impact.

  • Potential exposure of sensitive information
  • Verification of affected versions and patch application required

Technical summary

The vulnerability exists in the Wallpaper Path component of Synology DiskStation Manager (DSM) and allows remote authenticated users to obtain sensitive information via a direct request ('forced browsing'). Affected versions include DSM 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2.

Defensive priority

Defenders should prioritize verifying and remediating this vulnerability in Synology DSM installations, particularly in environments where sensitive information is at risk.

Recommended defensive actions

  • Verify Synology DSM versions 7.2.1-69057-10, 7.2.2-72806-7, and 7.3.2-86009-2 for vulnerability
  • Apply patches or updates provided by Synology to remediate the vulnerability
  • Restrict access to sensitive information and monitor for potential exploitation

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with the primary source being the Synology security advisory. Further verification is required to determine the full scope of affected versions and potential impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-40532 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-40532

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-40532 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-40532

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.