CVE-2024-7462 TOTOLINK N350RT cstecgi.cgi setWizardCfg buffer overflow

High 8.7 Published 5 Aug 2024 Updated 5 Aug 2024

Remote attackers can trigger a buffer overflow in the TOTOLINK N350RT router's web interface, 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-2024-7462?

CVE-2024-7462 is a high-severity memory corruption vulnerability in TOTOLINK N350RT, published on 5 Aug 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical has been found in TOTOLINK N350RT 9.3.5u.6139_B20201216. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-273555. 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-2024-7462?

It affects 1 product.

Products include Totolink N350rt Firmware.

How do I fix CVE-2024-7462?

No fix has been published for CVE-2024-7462 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-2024-7462 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7462 exists.

Sources

Also known as GHSA-qpv4-m9c2-rf7q.