CVE-2024-7178 TOTOLINK A3600R cstecgi.cgi setMacQos buffer overflow

High 8.7 Published 29 Jul 2024 Updated 1 Aug 2024

Remote attackers can trigger a buffer overflow in the setMacQos function of TOTOLINK A3600R routers, 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-2024-7178?

CVE-2024-7178 is a high-severity memory corruption vulnerability in TOTOLINK A3600R, published on 29 Jul 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 A3600R 4.1.2cu.5182_B20201102. It has been declared as critical. Affected by this vulnerability is the function setMacQos of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument priority/macAddress leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-272599. 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-2024-7178?

It affects 1 product.

Products include Totolink A3600r Firmware.

How do I fix CVE-2024-7178?

No fix has been published for CVE-2024-7178 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-2024-7178 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7178 exists.

Sources

Also known as GHSA-chjh-xq5j-h5wr.