CVE-2025-15245
D-Link DCS-850L Firmware Update Service uploadfirmware path traversal
- State
- Published
- Severity
- 5.1 Medium
- Published
- Dec 30, 2025
- Updated
- Dec 30, 2025
- Reserved
- Dec 29, 2025
Description
A vulnerability was found in D-Link DCS-850L 1.02.09. Affected is the function uploadfirmware of the component Firmware Update Service. The manipulation of the argument DownloadFile results in path traversal. The attack must originate from the local network. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.5 Low | CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.5 Low | CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 2.7 Low | AV:A/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-22 Path Traversal
Affected Products
| Product | Versions |
|---|---|
DCS-850LD-Link |
|
References
- VDB-338635 | D-Link DCS-850L Firmware Update Service uploadfirmware path traversalvdb-entrytechnical-description
- VDB-338635 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #725742 | D-Link DCS850L v1.02.09 Absolute Path Traversalthird-party-advisory
- https://tzh00203.notion.site/D-Link-DCS850L-v1-02-09-Path-Traversal-Vulnerability-in-Firmware-Update-2d8b5c52018a803abbc7e30e2858d084?source=copy_linkexploitpatch
- https://www.dlink.com/broken-linkproduct
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