CVE-2024-2704 Tenda AC10U SetFirewallCfg formSetFirewallCfg stack-based overflow

High 8.8 Published 20 Mar 2024 Updated 12 Aug 2024

A remote attacker can trigger a stack-based buffer overflow in the firewall configuration handler to potentially execute arbitrary code on the device.

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-2024-2704?

CVE-2024-2704 is a high-severity memory corruption vulnerability in Tenda AC10U, published on 20 Mar 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical was found in Tenda AC10U 15.03.06.49. Affected by this vulnerability is the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based 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-257455. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-787, CWE-121

Which versions are affected by CVE-2024-2704?

It affects 1 product.

Products include Tenda Ac10u Firmware.

How do I fix CVE-2024-2704?

No fix has been published for CVE-2024-2704 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-2024-2704 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-2704 exists.

Sources

Also known as GHSA-jh2w-vmjx-m29q.