CVE-2021-39306 Memory corruption in n/a
A stack buffer overflow in Realtek RTL8195AM allows attackers to execute code or cause denial of service via malicious WEP authentication challenges.
- 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-2021-39306?
CVE-2021-39306 is a critical memory corruption vulnerability in n/a, published on 22 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A stack buffer overflow was discovered on Realtek RTL8195AM device before 2.0.10, it exists in the client code when an attacker sends a big size Authentication challenge text in WEP security.
Weakness: CWE-787
Which versions are affected by CVE-2021-39306?
It affects 1 product.
Products include Realtek Rtl8195am Firmware.
How do I fix CVE-2021-39306?
No fix has been published for CVE-2021-39306 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-2021-39306 being exploited?
There is no known exploitation of CVE-2021-39306 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-rcc4-26h9-5ggq.