CVE-2021-33274 Memory corruption in n/a
A stack buffer overflow in D-Link DIR-809 routers allows remote attackers to execute arbitrary code or cause a denial of service via a crafted POST request.
- 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-2021-33274?
CVE-2021-33274 is a critical memory corruption vulnerability in n/a, published on 1 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
D-Link DIR-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80040af8 in /formWlanSetup. This vulnerability is triggered via a crafted POST request.
Weakness: CWE-787
Which versions are affected by CVE-2021-33274?
It affects 1 product.
Products include Dlink Dir-809 Firmware.
How do I fix CVE-2021-33274?
No fix has been published for CVE-2021-33274 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-2021-33274 being exploited?
There is no known exploitation of CVE-2021-33274 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gwwm-ppmm-xxq6.