Vulnerability details
CVE-2026-40530
Synology DiskStation Manager
CVSS 3.1
8.0High
Official description
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 arbitrary files and conduct denial-of-service attacks after the system is rebooted.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.0High | 3.1 | CVEProject cvelistV5 (CNA) (synology) | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Synology | DiskStation Manager (DSM) | v < 7.2.1 | CVEProject cvelistV5 (CNA) |
| Synology | DiskStation Manager (DSM) | 7.2.1 ≤ v < 7.2.1-69057-10 | CVEProject cvelistV5 (CNA) |
| Synology | DiskStation Manager (DSM) | 7.2.2 ≤ v < 7.2.2-72806-7 | CVEProject cvelistV5 (CNA) |
| Synology | DiskStation Manager (DSM) | 7.3 ≤ v < 7.3.2-86009-2 | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2026-09-18
- Last updated
- 2026-09-18
- State
- Published
- Assigner (CNA)
- synology
Exploit prediction (EPSS)
0.49%
Probability of exploitation in 30 days
42.6%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')