Security readout for executives and security teams
Plain-English summary
Synology Audio Station had a buffer overflow in its CGI component. A remote attacker could potentially run arbitrary commands on affected systems. The affected range is Audio Station before 6.5.4-3367. Treat exposed or business-critical Synology NAS systems as priority update targets.
Executive priority
High priority for organizations using Synology Audio Station, especially on exposed NAS devices. The vulnerability allows remote command execution, but the available sources do not confirm active exploitation. Focus on rapid inventory, vendor update verification, and exposure reduction.
Technical view
CVE-2022-27612 is a CWE-120 classic buffer overflow in Synology Audio Station's CGI component. The CVSS 3.1 vector is network-accessible, low complexity, no privileges, no user interaction, with limited confidentiality, integrity, and availability impact. Public details do not specify the exact vulnerable vector.
Likely exposure
Exposure is likely limited to Synology NAS environments running Audio Station before 6.5.4-3367. Risk is higher where Audio Station or related Synology services are reachable from untrusted networks.
Exploitation context
The provided sources do not show CISA KEV listing or confirmed active exploitation. The CVE states remote attackers can execute arbitrary commands via unspecified vectors, but public technical detail is limited.
Researcher notes
Key gaps are the unspecified attack vector and absence of cited exploit telemetry. Validation should avoid exploit reproduction and focus on package version, service reachability, and advisory alignment. CWE-120 indicates memory-unsafe input handling in the CGI component.
Mitigation direction
- Update Synology Audio Station to 6.5.4-3367 or later.
- Review Synology advisory Synology_SA_21_21 for vendor-specific guidance.
- Restrict untrusted network access to Synology services where feasible.
- Prioritize externally reachable or sensitive NAS deployments first.
Validation and detection
- Inventory Synology NAS devices running Audio Station.
- Confirm installed Audio Station versions are 6.5.4-3367 or later.
- Check whether Audio Station is reachable from untrusted networks.
- Review change records for completed package updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-120: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-27612 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://www.synology.com/security/advisory/Synology_SA_21_21CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE mapping pending import
This CVE carries a CWE mapping that will resolve to a full Glexia CWE intelligence page after the official CWE import is complete.