CVE-2024-7213 TOTOLINK A7000R cstecgi.cgi setWizardCfg buffer overflow

High 8.7 Published 30 Jul 2024 Updated 1 Aug 2024

Remote attackers can trigger a buffer overflow in the TOTOLINK A7000R router's web interface to potentially execute arbitrary code.

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-2024-7213?

CVE-2024-7213 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, was found in TOTOLINK A7000R 9.1.0u.6268_B20220504. Affected is the function setWizardCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ssid leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-272784. 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-2024-7213?

It affects 1 product.

Products include Totolink A7000r Firmware.

How do I fix CVE-2024-7213?

No fix has been published for CVE-2024-7213 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-2024-7213 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7213 exists.

Sources

Also known as GHSA-m3gj-m97q-954q.