CVE-2020-36109 Memory corruption in n/a
A buffer overflow in the ASUS RT-AX86U router firmware allows remote attackers to execute arbitrary code via malicious data sent to the httpd module.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36109?
CVE-2020-36109 is a critical memory corruption vulnerability in n/a, published on 1 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ASUS RT-AX86U router firmware below version under 9.0.0.4_386 has a buffer overflow in the blocking_request.cgi function of the httpd module that can cause code execution when an attacker constructs malicious data.
Weakness: CWE-120
Which versions are affected by CVE-2020-36109?
It affects 1 product.
Products include Asus Rt-Ax86u Firmware.
How do I fix CVE-2020-36109?
No fix has been published for CVE-2020-36109 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-2020-36109 being exploited?
There is no known exploitation of CVE-2020-36109 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-mcj9-phjm-5g8v.