CVE-2025-8175 D-Link DI-8400 jhttpd usb_paswd.asp null pointer dereference

High 7.1 Published 26 Jul 2025 Updated 28 Jul 2025

Remote attackers can cause a denial of service on D-Link DI-8400 routers by triggering a null pointer dereference in the jhttpd component.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-8175?

CVE-2025-8175 is a high-severity vulnerability in D-Link DI-8400, published on 26 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in D-Link DI-8400 16.07.26A1. It has been classified as problematic. This affects an unknown part of the file usb_paswd.asp of the component jhttpd. The manipulation of the argument share_enable leads to null pointer dereference. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-476, CWE-404

Which versions are affected by CVE-2025-8175?

It affects 1 product.

Products include Dlink Di-8400 Firmware.

How do I fix CVE-2025-8175?

No fix has been published for CVE-2025-8175 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-8175 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8175 exists.

Sources

Also known as GHSA-pwrj-h3fw-3qp7.