CVE-2021-3304 Memory corruption in n/a
A buffer overflow in the login URI allows attackers to execute arbitrary code or cause denial of service on Sagemcom F@ST 3686 routers.
- 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-2021-3304?
CVE-2021-3304 is a critical memory corruption vulnerability in n/a, published on 26 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Sagemcom F@ST 3686 v2 3.495 devices have a buffer overflow via a long sessionKey to the goform/login URI.
Weakness: CWE-120
Which versions are affected by CVE-2021-3304?
It affects 1 product.
Products include Sagemcom F\@st 3686 Firmware.
How do I fix CVE-2021-3304?
No fix has been published for CVE-2021-3304 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-2021-3304 being exploited?
There is no known exploitation of CVE-2021-3304 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-79r4-9j2m-5f8q.