CVE-2024-4244 Tenda W9 DhcpSetSer fromDhcpSetSer stack-based overflow
Remote attackers can trigger a stack-based buffer overflow in the DHCP configuration handler of Tenda W9 routers, 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-2024-4244?
CVE-2024-4244 is a high-severity memory corruption vulnerability in Tenda W9, published on 26 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 was found in Tenda W9 1.0.0.7(4456). Affected by this vulnerability is the function fromDhcpSetSer of the file /goform/DhcpSetSer. The manipulation of the argument dhcpStartIp/dhcpEndIp/dhcpGw/dhcpMask/dhcpLeaseTime/dhcpDns1/dhcpDns2 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-262135. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2024-4244?
It affects 1 product.
Products include Tenda W9 Firmware.
How do I fix CVE-2024-4244?
No fix has been published for CVE-2024-4244 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-2024-4244 being exploited?
There is no known exploitation of CVE-2024-4244 in the wild and no public exploit code.
Other vulnerabilities in Tenda W9
Sources
Also known as GHSA-q4xw-qv7c-q8pp.