CVE-2024-12147 Netgear R6900 HTTP Header upgrade_check.cgi buffer overflow
Remote attackers can trigger a buffer overflow in the HTTP header handler of unsupported Netgear R6900 routers, potentially leading to code execution or denial of service.
- 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-2024-12147?
CVE-2024-12147 is a high-severity memory corruption vulnerability in Netgear R6900, published on 4 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was found in Netgear R6900 1.0.1.26_1.0.20. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file upgrade_check.cgi of the component HTTP Header Handler. The manipulation of the argument Content-Length leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Which versions are affected by CVE-2024-12147?
How do I fix CVE-2024-12147?
No fix has been published for CVE-2024-12147 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-2024-12147 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-12147 exists.
Sources
Also known as GHSA-875c-9gcv-8c6h.