Synology Synology DiskStation Manager (DSM)

Name: Synology Synology DiskStation Manager (DSM)
Brand: Synology

productEU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

EPSS ≥ 10%

by severity

3critical7high3medium0low

updated 2026-10-27

vulnerabilities (13)

Related CVEs.

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ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-27646US	critical9.8	3.92% (90th)	—	6.2.3-25426-3	2021-03-12	unspecified → 6.2.3-25426-3
CVE-2021-27647US	critical9.8	3.25% (88th)	—	6.2.3-25426-3	2021-03-12	unspecified → 6.2.3-25426-3
CVE-2021-29083US	high7.2	2.71% (86th)	—	6.2.3-25426-3	2021-04-01	unspecified → 6.2.3-25426-3
CVE-2021-26569US	high8.1	2.25% (83rd)	—	6.2.3-25426-3	2021-03-12	unspecified → 6.2.3-25426-3
CVE-2021-26561US	high8.1	2.06% (81st)	—	6.2.3-25426-3	2021-02-26	unspecified → 6.2.3-25426-3
CVE-2017-15894US	medium6.5	1.97% (80th)	—	no fix	2017-12-08	2 versions
CVE-2021-26562US	high8.1	1.90% (80th)	—	6.2.3-25426-3	2021-02-26	unspecified → 6.2.3-25426-3
CVE-2021-26566US	critical9.0	1.51% (74th)	—	6.2.3-25426-3	2021-02-26	unspecified → 6.2.3-25426-3
CVE-2021-33182US	medium4.3	1.11% (66th)	—	6.2.4-25553	2021-06-01	unspecified → 6.2.4-25553
CVE-2021-26560US	high7.4OT elevated	0.77% (55th)	—	6.2.3-25426-3	2021-02-26	unspecified → 6.2.3-25426-3
CVE-2021-26565US	medium5.9OT elevated	0.74% (54th)	—	6.2.3-25426-3	2021-02-26	unspecified → 6.2.3-25426-3
CVE-2021-26564US	high8.7OT elevated	0.67% (52nd)	—	6.2.3-25426-3	2021-02-26	unspecified → 6.2.3-25426-3
CVE-2021-29088US	high7.8	0.32% (25th)	—	6.2.4-25553	2021-06-01	unspecified → 6.2.4-25553

The flaw types (CWEs) most of these CVEs share.

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')3 CVEs
CWE-319Cleartext Transmission of Sensitive Information3 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-121Stack-based Buffer Overflow1 CVEs
CWE-125Out-of-bounds Read1 CVEs
CWE-200Exposure of Sensitive Information to an Unauthorized Actor1 CVEs
CWE-201Insertion of Sensitive Information Into Sent Data1 CVEs
CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')1 CVEs

Which sources assert this record, and when.

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