CVE Intelligence

Synology vulnerabilities

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Published CVEs affecting Synology products: 44 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2026-9548 Medium · 6.5 CWE-79 Aug 28, 2026
Cross-site Scripting (XSS) in Synology Synology Chat Server
An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write restricted files and conduct limited denial-of-service attacks in DSM.
CVE-2026-9491 Medium · 4.3 CWE-918 Aug 28, 2026
Server-Side Request Forgery (SSRF) in Synology Synology Chat Server
A server-ide request forgery (SSRF) vulnerability in webhook in Synology Chat Server before 2.4.5-22148 allows remote authenticated users to obtain non-sensitive information.
CVE-2026-40541 Critical · 9.0 CWE-79 Aug 28, 2026
Cross-site Scripting (XSS) in Synology Synology Chat Server
An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in extract domain in Synology Chat Server before 2.4.5-22148 allows remote authenticated users, via a UI interaction, to read or write arbitrary files and conduct denial-of-service attacks in DSM.
CVE-2026-4793 High · 7.3 CWE-276 Aug 3, 2026
Incorrect Default Permissions in Synology Assistant
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-2024-47273 Medium · 4.3 CWE-22 Jun 3, 2026
Path Traversal in Synology Hyper Backup
An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup Task functionality in Synology Hyper Backup before 4.1.2-4036 allows remote authenticated users to write specific files via unspecified vectors.
CVE-2024-47263 Medium · 4.1 CWE-22 Jun 3, 2026
Path Traversal in Synology Hyper Backup
An improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Backup.Repository webapi component in Synology Hyper Backup before 4.1.2-4036 allows remote authenticated users with administrator privileges to write specific files containing non-sensitive information via unspecified vectors.
CVE-2023-52951 Medium · 5.9 CWE-319 Jun 3, 2026
Cleartext Transmission of Sensitive Information in Synology Note Station Client
A cleartext transmission of sensitive information vulnerability in Synology Note Station Client before 2.2.4-703 allows man-in-the-middle attackers to obtain user credential.
CVE-2022-49042 High · 7.8 CWE-829 Jun 3, 2026
An inclusion of functionality from untrusted control sphere vulnerability in MinGW DLL…
An inclusion of functionality from untrusted control sphere vulnerability in MinGW DLL component in Synology Hyper Backup Explorer before 3.0.1-0156 allows local users to execute arbitrary code via unspecified vectors.
CVE-2022-49036 High · 7.8 CWE-829 Jun 3, 2026
An inclusion of functionality from untrusted control sphere vulnerability in OpenSSL…
An inclusion of functionality from untrusted control sphere vulnerability in OpenSSL configuration in Synology Active Backup for Business Recovery Media Creator before 2.5.0-2081 allows local users to execute arbitrary code via unspecified vectors.
CVE-2026-2237 Medium · 5.5 CWE-598 May 27, 2026
A use of get request method with sensitive query strings vulnerability in volume…
A use of get request method with sensitive query strings vulnerability in volume encryption of Synology Storage Manager package before 1.0.1-1100 allows local users on Windows to obtain sensitive information.
CVE-2025-66593 Medium · 5.6 CWE-346 May 27, 2026
An origin validation error vulnerability in Synology Assistant before 7.0.6-50085 allows…
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-2025-66592 Medium · 5.6 CWE-346 May 27, 2026
An origin validation error vulnerability in Synology Active Backup for Business Agent…
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-2025-30028 High · 8.6 CWE-89 May 27, 2026
SQL Injection in Synology Active Backup For Business
A vulnerability in Active Backup for Business allows unauthorized remote attackers to read arbitrary files.
CVE-2024-47272 Low · 2.7 CWE-863 May 27, 2026
Incorrect Authorization in Synology Surveillance Station
Incorrect authorization vulnerability in IO Module functionality in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to limited file write via unspecified vectors.
CVE-2025-14713 High · 7.5 CWE-749 May 27, 2026
An Exposed Dangerous Method or Function vulnerability in Synology C2 Identity Edge…
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-2025-13593 Medium · 5.6 CWE-346 May 27, 2026
Origin validation error vulnerability in Synology ActiveProtect Agent before 1.1.0-0439…
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-2025-13392 Critical · 9.8 CWE-754 May 27, 2026
Improper Check for Unusual or Exceptional Conditions in Synology Diskstation Manager
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 prior knowledge of the distinguished name (DN).
CVE-2025-13167 Medium · 5.4 CWE-79 May 27, 2026
Cross-site Scripting (XSS) in Synology Contacts
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 containing non-sensitive information via unspecified vectors.
CVE-2025-12686 Critical · 9.8 CWE-120 May 27, 2026
Classic Buffer Overflow in Synology Beestation Os
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-2025-10466 Medium · 5.9 CWE-79 May 27, 2026
Cross-site Scripting (XSS) in Synology Safe Access
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 specific files containing non-sensitive information or conduct limited denial-of-service in SRM.
CVE-2024-47271 Medium · 4.9 CWE-522 May 27, 2026
Insufficiently Protected Credentials in Synology Surveillance Station
Insufficiently protected credentials vulnerability in IPSpeaker component in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to obtain sensitive information via unspecified vectors.
CVE-2024-47270 Low · 2.7 CWE-281 May 27, 2026
Improper preservation of permissions vulnerability in Archiving Push functionality in…
Improper preservation of permissions vulnerability in Archiving Push functionality in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to limited file write via unspecified vectors.
CVE-2024-47269 Medium · 4.9 CWE-319 May 27, 2026
Cleartext Transmission of Sensitive Information in Synology Surveillance Station
Cleartext transmission of sensitive information vulnerability in Export Key functionality in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to obtain sensitive information via unspecified vectors.
CVE-2024-47268 Medium · 4.9 CWE-862 May 27, 2026
Missing Authorization in Synology Surveillance Station
Missing authorization vulnerability in AddOns functionality in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to obtain sensitive information via unspecified vectors.
CVE-2024-47267 Low · 2.7 CWE-22 May 27, 2026
Path Traversal in Synology Surveillance Station
Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in Archiving Pull functionality in Synology Surveillance Station before 9.2.2-11575 and 9.2.2-9575 allows remote authenticated users with administrator privileges to limited file write via unspecified vectors.