Synology Security Advisories & CVEs
4 advisories tracked · Synology PSIRT ([email protected] CNA) via NVD · direct feeds checked every minute; rate-limited backstops use a safe source cadence
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Official source
Synology PSIRT ([email protected] CNA) via NVD
Synology is its own CVE Numbering Authority. VulniPulse ingests Synology's CVEs from the NVD CNA feed ([email protected]), grouped by their official Synology_SA_YY_NN advisory, then enriches each from the advisory page — a fully server-rendered page carrying Synology's own severity rating, the affected-product / fixed-release table and the mitigation section. Covers DSM (DiskStation Manager), SRM (Router Manager), BeeStation, Synology Photos, Surveillance Station, Synology Drive and the SSL VPN Client.
Latest Synology advisories
Critical [CVE-2026-13623 +7] 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 authenticated users with administrator privileges to read or write limited files
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 authenticated users with administrator privileges to read or write limited files. Affected products named by the advisory: DSM 7.4; DSM 7.3; DSM 7.2.2; DSM 7.2.1.
Critical [CVE-2026-40541 +2] 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
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. Affected products named by the advisory: Synology Chat Server for DSM 7.3; Synology Chat Server for DSM 7.2.2; Synology Chat Server for DSM 7.2.1.
Critical [CVE-2026-40541] 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
Synology has released a security update for the Synology Chat Server package in DSM to address multiple vulnerabilities: CVE-2026-40541 allows remote authenticated users to read or write arbitrary files and conduct denial-of-service attacks. CVE-2026-9491 allows remote authenticated users to obtain non-sensitive information. Please refer to the ' Affected products named by the advisory: Synology Chat Server for DSM 7.3; Synology Chat Server for DSM 7.2.2; Synology Chat Server for DSM 7.2.1.
Critical [CVE-2025-12686] 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
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. Affected products named by the advisory: BeeStation OS 1.3; BeeStation OS 1.2; BeeStation OS 1.1; BeeStation OS 1.0.