CVE-2021-34810

HIGH 8.8CVE-2021-34810 · Published 18/06/2021 · updated 17/06/2026

In short

CVE-2021-34810 is a HIGH (CVSS 8.8) vulnerability affecting download station (synology).
Chance of exploitation in the next 30 days (EPSS): 1.4%, higher than 71.9% of all vulnerabilities.
Fix: update to 3.8.16-3566 or later.

Package	Affected versions	Patched versions
download station synology	`< 3.8.16-3566`	`3.8.16-3566`

Description

Improper privilege management vulnerability in cgi component in Synology Download Station before 3.8.16-3566 allows remote authenticated users to execute arbitrary code via unspecified vectors.

References

synology.com/security/advisory/Synology_SA_21_11 · Vendor Advisory

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Package

Affected versions

Patched versions

download station

synology

< 3.8.16-3566

3.8.16-3566

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