CVE-2024-4066 Tenda AC8 AdvSetMacMtuWan fromAdvSetMacMtuWan stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the Tenda AC8 router via crafted parameters, potentially leading to code execution or service disruption.
- 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-2024-4066?
CVE-2024-4066 is a high-severity memory corruption vulnerability in Tenda Ac8 Firmware, published on 23 Apr 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 Tenda AC8 16.03.34.09. Affected is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation of the argument wanMTU/wanSpeed/cloneType/mac/serviceName/serverName leads to stack-based 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-261792. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2024-4066?
It affects 1 product.
Products include Tenda Ac8 Firmware.
How do I fix CVE-2024-4066?
No fix has been published for CVE-2024-4066 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-2024-4066 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-4066 exists.
Other vulnerabilities in Tenda Ac8 Firmware
Sources
Also known as GHSA-xhg5-m3mp-pf34.