CVE-2024-4168 Tenda 4G300 sub_4260F0 stack-based overflow

High 8.8 Published 25 Apr 2024 Updated 1 Aug 2024

Remote attackers can trigger a stack-based buffer overflow in the Tenda 4G300 router via the upfilen argument, potentially leading to 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-2024-4168?

CVE-2024-4168 is a high-severity memory corruption vulnerability in Tenda 4G300, published on 25 Apr 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in Tenda 4G300 1.01.42. It has been classified as critical. This affects the function sub_4260F0. The manipulation of the argument upfilen leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-261987. 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-2024-4168?

It affects 1 product.

Products include Tenda 4g300 Firmware.

How do I fix CVE-2024-4168?

No fix has been published for CVE-2024-4168 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-2024-4168 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-4168 exists.

Sources

Also known as GHSA-gpx2-xmvq-g28h.