Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 uses weak permissions (0777) for ui/dlm/btsearch directory, which allows remote authenticated users to execute arbitrary code by uploading an executable via unspecified vectors
Published Aug 14, 2017
7.8
HIGHCVSS 3.0
EPSS 2.30%
Description
Synology Download Station 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984 uses weak permissions (0777) for ui/dlm/btsearch directory, which allows remote authenticated users to execute arbitrary code by uploading an executable via unspecified vectors.
Affected products
-
- Version 3.8.x before 3.8.5-3475 and 3.x before 3.5-2984StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Synology | Synology Download Station | n/a |
|
- 3.2-2295
- 3.3-2382
- 3.3-2383
- 3.3-2386
- 3.4-2477
- 3.4-2478
- 3.4-2480
- 3.4-2485
- 3.4-2486
- 3.4-2489
- 3.4-2490
- 3.4-2514
- 3.4-2555
- 3.4-2557
- 3.4-2558
- 3.5-2638
- 3.5-2705
- 3.5-2706
- 3.5-2955
- 3.5-2956
- 3.5-2962
- 3.5-2963
- 3.5-2967
- 3.5-2968
- 3.5-2970
- 3.5-2973
- 3.5-2980
- 3.5-2982
- 3.8.0-3416
- 3.8.1-3420
- 3.8.2-3455
- 3.8.3-3458
- 3.8.4-3468
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (23 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.30% (0.02302) | 82.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.21% (0.02212) | 80.23th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.48% (0.01483) | 79.23th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.62% (0.03616) | 79.43th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.56% (0.00562) | 77.90th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.56% (0.00562) | 77.19th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.41% (0.00412) | 73.25th | v3 (v2023.03.01) |
| Dec 30, 2023 | 0.41% (0.00412) | 71.23th | v3 (v2023.03.01) |
| Nov 18, 2023 | 0.35% (0.00352) | 68.80th | v3 (v2023.03.01) |
| Aug 30, 2023 | 0.14% (0.00141) | 49.19th | v3 (v2023.03.01) |
| Jul 25, 2023 | 0.12% (0.00118) | 44.89th | v3 (v2023.03.01) |
| Jun 24, 2023 | 0.10% (0.00100) | 40.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00045) | 12.07th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.62% (0.01624) | 75.89th | v2 (v2022.01.01) |
| Sep 13, 2022 | 1.62% (0.01624) | 74.95th | v2 (v2022.01.01) |
| Jul 10, 2022 | 1.32% (0.01318) | 66.83th | v2 (v2022.01.01) |
| May 11, 2022 | 1.21% (0.01208) | 59.30th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.10% (0.01103) | 50.07th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.10% (0.01103) | 28.56th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.92% (0.00918) | 25.93th | v1 |
| Jan 6, 2022 | 0.92% (0.00918) | 25.29th | v1 |
| Sep 1, 2021 | 0.92% (0.00918) | 60.61th | v1 |
| Apr 14, 2021 | 0.92% (0.00918) | 0.00th | v1 |
References (1)
- https://www.synology.com/en-global/support/security/Synology_SA_17_28_Download_Station x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://www.synology.com/en-global/support/security/Synology_SA_17_28_Download_Station | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.