Off-by-one error vulnerability in the transmission component in Synology Replication…
Priority MEDIUM 52CWE-193Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-193 and the CVSS impact.
Summary
Off-by-one error vulnerability in the transmission component in Synology Replication Service before 1.0.12-0066, 1.2.2-0353 and 1.3.0-0423 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to execute arbitrary code, potentially leading to a broader impact across the system via unspecified vectors.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01448 73rd percentileScored 2026-11-07
Fix Fixed Unified Controller (DSMUC) (Synology): 3.1.4-23079Replication Service (Synology): 1.2.2-0353, 1.0.12-0066, 1.3.0-0423
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 | Unified Controller (DSMUC) | 3.1 to before 3.1.4-23079 | 3.1.4-23079 | Patch available | CNA |
| Synology | Replication Service | before 1.2.2-0353; before 1.0.12-0066; before 1.3.0-0423 | 1.2.2-0353, 1.0.12-0066, 1.3.0-0423 | Patch available | CNA |
- Unified Controller (DSMUC) VendorSynology Affected 3.1 to before 3.1.4-23079 Fixed in 3.1.4-23079 Patch available CNA
- Replication Service VendorSynology Affected before 1.2.2-0353; before 1.0.12-0066; before 1.3.0-0423 Fixed in 1.2.2-0353, 1.0.12-0066, 1.3.0-0423 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:synology:unified_controller:*:*:*:*:*:*:*:* | before 3.1.4-23079 | Vulnerable | Synology |
| cpe:2.3:a:synology:diskstation_manager_unified_controller:3.1:*:*:*:*:*:*:* | 3.1 | Running on | Synology |
| cpe:2.3:a:synology:replication_service:*:*:*:*:*:*:*:* | up to 1.0.12-0066 | Vulnerable | Synology |
| cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:* | 6.2 | Running on | Synology |
| cpe:2.3:a:synology:replication_service:*:*:*:*:*:*:*:* | before 1.2.2-0353 | Vulnerable | Synology |
| cpe:2.3:o:synology:diskstation_manager:7.1:*:*:*:*:*:*:* | 7.1 | Running on | Synology |
| cpe:2.3:a:syncology:replication_service:*:*:*:*:*:*:*:* | before 1.3.0-0423 | Vulnerable | Syncology |
| cpe:2.3:o:synology:diskstation_manager:7.2:*:*:*:*:*:*:* | 7.2 | Running on | Synology |
- cpe:2.3:a:synology:unified_controller:*:*:*:*:*:*:*:* Versions before 3.1.4-23079 Vulnerable ·Synology
- cpe:2.3:a:synology:diskstation_manager_unified_controller:3.1:*:*:*:*:*:*:* Versions 3.1 Running on ·Synology
- cpe:2.3:a:synology:replication_service:*:*:*:*:*:*:*:* Versions up to 1.0.12-0066 Vulnerable ·Synology
- cpe:2.3:o:synology:diskstation_manager:6.2:*:*:*:*:*:*:* Versions 6.2 Running on ·Synology
- cpe:2.3:a:synology:replication_service:*:*:*:*:*:*:*:* Versions before 1.2.2-0353 Vulnerable ·Synology
- cpe:2.3:o:synology:diskstation_manager:7.1:*:*:*:*:*:*:* Versions 7.1 Running on ·Synology
- cpe:2.3:a:syncology:replication_service:*:*:*:*:*:*:*:* Versions before 1.3.0-0423 Vulnerable ·Syncology
- cpe:2.3:o:synology:diskstation_manager:7.2:*:*:*:*:*:*:* Versions 7.2 Running on ·Synology
Remediation
- Fix · CNA Unified Controller (DSMUC) (Synology) Fixed in 3.1.4-23079
- Fix · CNA Replication Service (Synology) Fixed in 1.2.2-0353, 1.0.12-0066, 1.3.0-0423
Timeline
- 2026-10-02 Threatist record created from CVE-2024-10442
- 2026-10-03 Alias added: GHSA-8745-q6hh-2437
References
Sources
- CVE-2024-10442 · CVE Program
- CVE-2024-10442 · NVD
- FIRST EPSS
- GHSA-8745-q6hh-2437 · GitHub Advisory Database · CC BY 4.0
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