CVE-2021-43573 Memory corruption in n/a
A buffer overflow in Realtek RTL8195AM Wi-Fi chips allows attackers to execute code or cause denial of service via malformed beacon frames.
- 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-2021-43573?
CVE-2021-43573 is a critical memory corruption vulnerability in n/a, published on 11 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A buffer overflow was discovered on Realtek RTL8195AM devices before 2.0.10. It exists in the client code when processing a malformed IE length of HT capability information in the Beacon and Association response frame.
Weakness: CWE-120
Which versions are affected by CVE-2021-43573?
It affects 1 product.
Products include Realtek Rtl8195am Firmware.
How do I fix CVE-2021-43573?
No fix has been published for CVE-2021-43573 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-2021-43573 being exploited?
There is no known exploitation of CVE-2021-43573 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-7fmp-m7xh-f474.