CVE-2024-7176 TOTOLINK A3600R cstecgi.cgi setIpQosRules buffer overflow

High 8.7 Published 29 Jul 2024 Updated 1 Aug 2024

Remote attackers can trigger a buffer overflow in the TOTOLINK A3600R router's QoS settings, potentially leading to arbitrary 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-2024-7176?

CVE-2024-7176 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 and classified as critical. This issue affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument comment 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-272597 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-2024-7176?

It affects 1 product.

Products include Totolink A3600r Firmware.

How do I fix CVE-2024-7176?

No fix has been published for CVE-2024-7176 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-2024-7176 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7176 exists.

Sources

Also known as GHSA-9f38-68hg-mx6f.