CVE-2020-8423 Memory corruption in n/a
An authenticated remote attacker can execute arbitrary code on TP-Link TL-WR841N routers via a buffer overflow in the httpd daemon.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8423?
CVE-2020-8423 is a high-severity memory corruption vulnerability in n/a, published on 2 Apr 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A buffer overflow in the httpd daemon on TP-Link TL-WR841N V10 (firmware version 3.16.9) devices allows an authenticated remote attacker to execute arbitrary code via a GET request to the page for the configuration of the Wi-Fi network.
Weakness: CWE-120
Which versions are affected by CVE-2020-8423?
It affects 1 product.
Products include Tp-Link Tl-Wr841n Firmware.
How do I fix CVE-2020-8423?
No fix has been published for CVE-2020-8423 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-2020-8423 being exploited?
There is no known exploitation of CVE-2020-8423 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-fr37-g4jr-p673.