synology has 42 CVEs on record between 2025 and 2026. Disclosure cadence is accelerating: 20 in the last 90 days against 10 in the 90 before. The busiest recent month was September 2026 with 19. The median CVSS is 6.4 (medium), with 4 rated critical. None have a confirmed exploitation report. The dominant weakness classes are CWE-22 (7) and CWE-346 (4). Most affected products: DiskStation Manager (DSM) (19), beedrive (5), diskstation_manager (4).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 6.4
- Publish → KEV
- —
- Last 90 days
- 20 prev 10
Products
- DiskStation Manager (DSM) 19
- beedrive 5
- diskstation_manager 4
- router_manager 4
- assistant 2
- active_backup_for_business 1
Worst active — by depth score
CVE-2026-13684Critical· 9.8An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct…54CVE-2026-13639Critical· 9.8An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-s…54CVE-2025-12686Critical· 9.8Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors.54CVE-2024-45538Critical· 9.6Cross-Site Request Forgery (CSRF) vulnerability in WebAPI Framework in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to execute …53CVE-2026-13673High· 8.8An incorrect permission assignment for critical resource vulnerability in LDAP API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to read or write…48
synology vulnerabilities
CVEs affecting synology, newest first. Open any entry for full detail, references, and exploit status.
42 CVEsRSS
CVE-2026-13684Critical· 9.8An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct…
An improper encoding or escaping of output vulnerability in SCGI in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct…
CVE-2026-13683Low· 2.7An improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in EventScheduler API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows re…
An improper neutralization of special elements used in an SQL command ('SQL Injection') vulnerability in EventScheduler API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows re…
CVE-2026-13673High· 8.8An incorrect permission assignment for critical resource vulnerability in LDAP API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to read or write…
An incorrect permission assignment for critical resource vulnerability in LDAP API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to read or write…
CVE-2026-13639Critical· 9.8An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-s…
An insufficient entropy vulnerability in login logic in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to read or write arbitrary files and conduct denial-of-s…
CVE-2026-13635Medium· 5.3An improper encoding or escaping of output vulnerability in Auth API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to obtain non-sensitive information.
An improper encoding or escaping of output vulnerability in Auth API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to obtain non-sensitive information.
CVE-2026-6205High· 8.1An external control of file name or path vulnerability in Upload API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write arbitrary files and c…
An external control of file name or path vulnerability in Upload API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to write arbitrary files and c…
CVE-2026-40537Medium· 4.3A server-side request forgery (SSRF) vulnerability in PersonMail API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to obtain non-sensitive information.
A server-side request forgery (SSRF) vulnerability in PersonMail API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to obtain non-sensitive information.
CVE-2026-13666Low· 3.5An improper neutralization of CRLF sequences ('CRLF Injection') vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to wri…
An improper neutralization of CRLF sequences ('CRLF Injection') vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote authenticated users to wri…
CVE-2026-13623Medium· 4.8An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Theme API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote auth…
An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Theme API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote auth…
CVE-2026-40530High· 8.0An improper neutralization of CRLF sequences ('CRLF injection') vulnerability in User API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to read or write arb…
An improper neutralization of CRLF sequences ('CRLF injection') vulnerability in User API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to read or write arb…
CVE-2026-4036Medium· 6.5An improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated…
An improper neutralization of special elements used in an SQL command ('SQL injection') vulnerability in Sharing API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated…
CVE-2026-40531Medium· 4.3An integer overflow or wraparound vulnerability in File Operation in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to conduct limited denial-of-service attacks.
An integer overflow or wraparound vulnerability in File Operation in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to conduct limited denial-of-service attacks.
CVE-2026-40534Medium· 5.4An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Video API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated u…
An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Video API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated u…
CVE-2026-40532Medium· 6.5A direct request ('forced browsing') vulnerability in Wallpaper Path in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to obtain sensitive information.
A direct request ('forced browsing') vulnerability in Wallpaper Path in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users to obtain sensitive information.
CVE-2026-40538Low· 3.7An improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to read limited files via brute…
An improper restriction of excessive authentication attempts vulnerability in Auto block in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to read limited files via brute…
CVE-2026-40535Medium· 6.5An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to write …
An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to write …
CVE-2026-40533Medium· 5.3An exposure of sensitive information through data queries vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to obtain non-sensitive information.
An exposure of sensitive information through data queries vulnerability in Desktop API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote attackers to obtain non-sensitive information.
CVE-2026-40539High· 7.1An improper certificate validation vulnerability in Email API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows man-in-the-middle attackers to read or write arbitrary files and conduct de…
An improper certificate validation vulnerability in Email API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows man-in-the-middle attackers to read or write arbitrary files and conduct de…
CVE-2026-40536Medium· 4.3An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Audio API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users t…
An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Audio API in Synology DiskStation Manager (DSM) before 7.2.1-69057-10, 7.2.2-72806-7 and 7.3.2-86009-2 allows remote authenticated users t…
CVE-2026-4793High· 7.3An incorrect default permissions vulnerability in Synology Assistant before 7.0.7-50095 allows local users to read or write arbitrary files and conduct denial-of-service during installation.
An incorrect default permissions vulnerability in Synology Assistant before 7.0.7-50095 allows local users to read or write arbitrary files and conduct denial-of-service during installation.
CVE-2025-66593Medium· 6.1An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.
An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.
CVE-2025-66592Medium· 6.1An origin validation error vulnerability in Synology Active Backup for Business Agent before 3.1.0-4967 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.
An origin validation error vulnerability in Synology Active Backup for Business Agent before 3.1.0-4967 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.
CVE-2025-30028High· 8.6A vulnerability in Active Backup for Business allows unauthorized remote attackers to read arbitrary files.
A vulnerability in Active Backup for Business allows unauthorized remote attackers to read arbitrary files.
CVE-2025-14713High· 7.5An Exposed Dangerous Method or Function vulnerability in Synology C2 Identity Edge Server package in DSM before 1.76.0-0307 allows remote attackers to obtain user credentials from the edge server.
An Exposed Dangerous Method or Function vulnerability in Synology C2 Identity Edge Server package in DSM before 1.76.0-0307 allows remote attackers to obtain user credentials from the edge server.
CVE-2025-13593Medium· 6.1Origin validation error vulnerability in Synology ActiveProtect Agent before 1.1.0-0439 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.
Origin validation error vulnerability in Synology ActiveProtect Agent before 1.1.0-0439 allows local users to write arbitrary files with restricted content and conduct denial-of-service during installation.
CVE-2025-13392High· 8.1Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with pr…
Improper check for unusual or exceptional conditions vulnerability in SSO in Synology DiskStation Manager (DSM) before 7.2.2-72806-5 and 7.3.1-86003-1 (7.2.1-69057 is not affected) allows remote attackers to bypass authentication with pr…
CVE-2025-13167Medium· 5.4Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files contai…
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in contact functionality in Synology Contacts before 1.0.10-20659 allows remote authenticated users to read or write specific files contai…
CVE-2025-12686Critical· 9.8Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors.
Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in AdminCenter in Synology BeeStation OS before 1.3.2-65648 allows remote attackers to execute arbitrary code via unspecified vectors.
CVE-2025-10466Medium· 5.9Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write …
Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Safe Access in Synology Safe Access before 1.3.1-0329 allows remote authenticated users with administrator privileges to read or write …
CVE-2023-52945High· 7.8Uncontrolled search path element vulnerability in OpenSSL DLL component in Synology BeeDrive for desktop before 1.3.2-13814 allows local users to execute arbitrary code via unspecified vectors.
Uncontrolled search path element vulnerability in OpenSSL DLL component in Synology BeeDrive for desktop before 1.3.2-13814 allows local users to execute arbitrary code via unspecified vectors.