CVE-2025-71383 Denial of service in n/a

Critical 9.8 Published Updated

An attacker on the local Wi-Fi network can crash the management interface of Dbit WIFI4 N300 devices by sending a malformed login request.

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-2025-71383?

CVE-2025-71383 is a critical denial of service vulnerability in n/a, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Dbit WIFI4 N300 1.0.0 devices allow the management interface to be crashed via a request (from the local Wi-Fi network) that lacks a /api/login username or password field. This occurs because of an error in a JSON parser.

Weakness: CWE-20

Which versions are affected by CVE-2025-71383?

How do I fix CVE-2025-71383?

No fix has been published for CVE-2025-71383 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-71383 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-71383 exists.

Sources

Also known as GHSA-rmvf-vpmv-h9w6.

Is CVE-2025-71383 in your software?

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