CVE-2025-5907 TOTOLINK EX1200T HTTP POST Request formFilter buffer overflow

High 8.7 Published 10 Jun 2025 Updated 10 Jun 2025

A remote attacker can exploit a buffer overflow in the HTTP POST handler to execute arbitrary code on the TOTOLINK EX1200T device.

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-2025-5907?

CVE-2025-5907 is a high-severity memory corruption vulnerability in TOTOLINK EX1200T, published on 10 Jun 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 EX1200T up to 4.1.2cu.5232_B20210713. This vulnerability affects unknown code of the file /boafrm/formFilter of the component HTTP POST Request Handler. The manipulation 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-2025-5907?

It affects 1 product.

Products include Totolink Ex1200t Firmware.

How do I fix CVE-2025-5907?

No fix has been published for CVE-2025-5907 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-2025-5907 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5907 exists.

Sources

Also known as GHSA-7w7w-qmvg-8559.