CVE-2025-6931— D-Link DCS-6517/DCS-7517 Root Password Generation httpd generate_pass_from_mac entropy
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I. Basic Information for CVE-2025-6931
Vulnerability Information
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Vulnerability Title
D-Link DCS-6517/DCS-7517 Root Password Generation httpd generate_pass_from_mac entropy
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息熵不充分
Source: NVD (National Vulnerability Database)
Vulnerability Title
D-Link DCS-6517和D-Link DCS-7517 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DCS-6517和D-Link DCS-7517都是中国友讯（D-Link）公司的一款网络摄像机。 D-Link DCS-6517和D-Link DCS-7517 2.02.0及之前版本存在安全特征问题漏洞，该漏洞源于密码生成函数的熵不足。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-6931
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Same Patch Batch · D-Link · 2025-06-30 · 8 CVEs total
| CVE-2025-6882 | 8.8 HIGH | D-Link DIR-513 formSetWanPPTP buffer overflow |
| CVE-2025-6881 | 8.8 HIGH | D-Link DI-8100 jhttpd pppoe_base.asp buffer overflow |
| CVE-2025-6899 | 6.3 MEDIUM | D-Link DI-7300G+/DI-8200G msp_info.htm os command injection |
| CVE-2025-6898 | 6.3 MEDIUM | D-Link DI-7300G+ in proxy_client.asp os command injection |
| CVE-2025-6896 | 6.3 MEDIUM | D-Link DI-7300G+ wget_test.asp os command injection |
| CVE-2025-6897 | 5.5 MEDIUM | D-Link DI-7300G+ httpd_debug.asp os command injection |
| CVE-2025-6932 | 3.7 LOW | D-Link DCS-7517 Qlync Password Generation httpd g_F_n_GenPassForQlync hard-coded password |
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V. Comments for CVE-2025-6931
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