CVE-2025-6931 D-Link DCS-6517/DCS-7517 Root Password Generation httpd generate_pass_from_mac entropy
Remote attackers can predict root passwords due to insufficient entropy in MAC-based generation, leading to unauthorized access on unsupported D-Link cameras.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-6931?
CVE-2025-6931 is a medium-severity vulnerability in D-Link DCS-6517, published on 30 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2025-6931?
It affects 2 products.
Products include Dlink Dcs-6517 Firmware, Dlink Dcs-7517 Firmware.
How do I fix CVE-2025-6931?
No fix has been published for CVE-2025-6931 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-6931 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6931 exists.
Sources
Also known as GHSA-m79f-7mxr-wccp.