CVE-2025-6931
D-Link DCS-6517/DCS-7517 Root Password Generation httpd generate_pass_from_mac entropy
- State
- Published
- Severity
- 6.3 Medium
- Published
- Jun 30, 2025
- Updated
- Jul 1, 2025
- Reserved
- Jun 30, 2025
Description
A vulnerability classified as problematic was found in D-Link DCS-6517 and DCS-7517 up to 2.02.0. Affected by this vulnerability is the function generate_pass_from_mac of the file /bin/httpd of the component Root Password Generation Handler. The manipulation leads to insufficient entropy. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.3 Medium | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 3.7 Low | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 3.7 Low | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 2.6 Low | AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
DCS-6517D-Link |
|
DCS-7517D-Link |
|
References
- VDB-314443 | D-Link DCS-6517/DCS-7517 Root Password Generation httpd generate_pass_from_mac entropyvdb-entrytechnical-description
- VDB-314443 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #605592 | dlink DCS-6517B1 below or equal v2.02.01 hardcode weak passwordthird-party-advisory
- Submit #605593 | dlink DCS-7517B1 below or equal v2.02.01 predictable weak password (Duplicate)third-party-advisory
- Submit #605596 | dlink DCS-7517B1 below or equal v2.02.01 hardcode weak password (Duplicate)third-party-advisory
- http://cdn2.v50to.cc/dlink/DCS-6517B1_FW_v2.02.01/report_3.pdfrelated
- http://cdn2.v50to.cc/dlink/DCS-7517_B1_FW_v2.02.01/report_1.pdfexploit
- https://www.dlink.com/product
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