CVE-2024-7212 TOTOLINK A7000R cstecgi.cgi loginauth buffer overflow

High 8.7 Published 30 Jul 2024 Updated 1 Aug 2024

Remote attackers can trigger a buffer overflow in the login authentication function of TOTOLINK A7000R routers, potentially leading to code execution.

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-2024-7212?

CVE-2024-7212 is a high-severity memory corruption vulnerability in TOTOLINK A7000R, published on 30 Jul 2024. 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 A7000R 9.1.0u.6268_B20220504. This issue affects the function loginauth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272783. 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-2024-7212?

It affects 1 product.

Products include Totolink A7000r Firmware.

How do I fix CVE-2024-7212?

No fix has been published for CVE-2024-7212 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-2024-7212 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7212 exists.

Sources

Also known as GHSA-6ffh-c35q-fwcj.