CVE-2025-3990 TOTOLINK N150RT formVlan buffer overflow
Remote attackers can trigger a buffer overflow in the TOTOLINK N150RT router via the formVlan interface, 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-2025-3990?
CVE-2025-3990 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, which was classified as critical, has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this issue is some unknown functionality of the file /boafrm/formVlan. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-3990?
It affects 1 product.
Products include Totolink N150rt Firmware.
How do I fix CVE-2025-3990?
No fix has been published for CVE-2025-3990 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-2025-3990 being exploited?
There is no known exploitation of CVE-2025-3990 in the wild and no public exploit code.
Other vulnerabilities in TOTOLINK N150RT
Sources
Also known as GHSA-jxcr-pjg6-v566.