CVE-2025-5792 TOTOLINK EX1200T HTTP POST Request formWlanRedirect buffer overflow

High 8.7 Published 6 Jun 2025 Updated 6 Jun 2025

Remote attackers can trigger a buffer overflow in the HTTP POST handler to potentially execute arbitrary code on the 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-2025-5792?

CVE-2025-5792 is a high-severity memory corruption vulnerability in TOTOLINK EX1200T, published on 6 Jun 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 EX1200T 4.1.2cu.5232_B20210713. This issue affects some unknown processing of the file /boafrm/formWlanRedirect of the component HTTP POST Request Handler. The manipulation of the argument redirect-url leads to buffer overflow. The attack may 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-2025-5792?

It affects 1 product.

Products include Totolink Ex1200t Firmware.

How do I fix CVE-2025-5792?

No fix has been published for CVE-2025-5792 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-2025-5792 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5792 exists.

Sources

Also known as GHSA-vv89-3cgg-g5p8.