Improper check for unusual conditions in Synology DiskStation Manager
Priority MEDIUM 44CWE-754Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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).
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00534 45th percentileScored 2026-11-07
Fix Fixed DiskStation Manager (DSM) (Synology): 7.3.1-86003-1, 7.2.2-72806-5, 7.2.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Synology | DiskStation Manager (DSM) | 7.3 to before 7.3.1-86003-1; 7.2.2 to before 7.2.2-72806-5 | 7.3.1-86003-1, 7.2.2-72806-5, 7.2.1 | Patch available | CNA |
- DiskStation Manager (DSM) VendorSynology Affected 7.3 to before 7.3.1-86003-1; 7.2.2 to before 7.2.2-72806-5 Fixed in 7.3.1-86003-1, 7.2.2-72806-5, 7.2.1 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:* | 7.2.2 to before 7.2.2-72806-5; 7.3 – 7.3.1-86003-1 | Vulnerable | Synology |
- cpe:2.3:o:synology:diskstation_manager:*:*:*:*:*:*:*:* Versions 7.2.2 to before 7.2.2-72806-5; 7.3 – 7.3.1-86003-1 Vulnerable ·Synology
Remediation
- Fix · CNA DiskStation Manager (DSM) (Synology) Fixed in 7.3.1-86003-1, 7.2.2-72806-5, 7.2.1
Timeline
- 2026-10-02 Threatist record created from CVE-2025-13392
- 2026-10-03 Alias added: GHSA-g37m-8w79-wgp5
References
Advisory 1
More Synology Diskstation Manager vulnerabilities
- TI-2021-02242 Sudo before 1.9.5p2 contains an off-by-one error that can result in a heap-based buffer… KEVCVSS 3.1HIGH 7.8
- TI-2018-01076 Out-of-bounds write in Netatalk CVSS 3.1CRITICAL 9.8
- TI-2017-10594 Heap-based buffer overflow in dnsmasq before 2.78 allows remote attackers to cause a… CVSS 3.1CRITICAL 9.8
- TI-2013-05716 webman/imageSelector.cgi in Synology DiskStation Manager (DSM) 4.0 before 4.0-2259, 4.2… CVSS 2.0HIGH 10.0
- TI-2021-19843 Out-of-bounds read in Samba CVSS 3.1HIGH 8.8
- TI-2017-11636 Command injection in Synology DiskStation Manager CVSS 3.0HIGH 8.8
Sources
- CVE-2025-13392 · CVE Program
- CVE-2025-13392 · NVD
- FIRST EPSS
- GHSA-g37m-8w79-wgp5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences