CVE-2024-7334 TOTOLINK EX1200L cstecgi.cgi UploadCustomModule buffer overflow

High 8.7 Published 1 Aug 2024 Updated 2 Aug 2024

Remote attackers can exploit a buffer overflow in the UploadCustomModule function to execute arbitrary code on TOTOLINK EX1200L devices.

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-2024-7334?

CVE-2024-7334 is a high-severity memory corruption vulnerability in TOTOLINK EX1200L, published on 1 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in TOTOLINK EX1200L 9.3.5u.6146_B20201023. It has been rated as critical. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-273257 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-120

Which versions are affected by CVE-2024-7334?

It affects 1 product.

Products include Totolink Ex1200l Firmware.

How do I fix CVE-2024-7334?

No fix has been published for CVE-2024-7334 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-2024-7334 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7334 exists.

Sources

Also known as GHSA-m48x-h45r-5jvm.