CVE-2025-3992 TOTOLINK N150RT formWlwds buffer overflow

High 8.7 Published Updated

Remote attackers can trigger a buffer overflow in the TOTOLINK N150RT router via the submit-url argument, potentially leading to code execution.

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-2025-3992?

CVE-2025-3992 is a high-severity memory corruption vulnerability in TOTOLINK N150RT, published on 28 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability has been found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWlwds. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-3992?

It affects 1 product.

Products include Totolink N150rt Firmware.

How do I fix CVE-2025-3992?

No fix has been published for CVE-2025-3992 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-3992 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3992 exists.

Sources

Also known as GHSA-cpp9-4wg8-29gj.

Is CVE-2025-3992 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free