CVE-2025-3989 TOTOLINK N150RT formStaticDHCP buffer overflow
Remote attackers can trigger a buffer overflow in the TOTOLINK N150RT router via the Hostname argument, potentially leading to code execution or service disruption.
- 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-2025-3989?
CVE-2025-3989 is a high-severity memory corruption vulnerability in TOTOLINK N150RT, published on 27 Apr 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-3989?
It affects 1 product.
Products include Totolink N150rt Firmware.
How do I fix CVE-2025-3989?
No fix has been published for CVE-2025-3989 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-2025-3989 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3989 exists.
Other vulnerabilities in TOTOLINK N150RT
Sources
Also known as GHSA-4jgj-9c7f-7hvv.