CVE-2021-45638 Memory corruption in n/a
Unauthenticated attackers can trigger a stack-based buffer overflow in NETGEAR devices, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-45638?
CVE-2021-45638 is a critical memory corruption vulnerability in Netgear D6220 Firmware, published on 26 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.68, D6400 before 1.0.0.102, D7000v2 before 1.0.0.74, D8500 before 1.0.3.60, DC112A before 1.0.0.56, R6300v2 before 1.0.4.50, R6400 before 1.0.1.68, R7000 before 1.0.11.116, R7100LG before 1.0.0.70, RBS40V before 2.6.2.8, RBW30 before 2.6.2.2, RS400 before 1.5.1.80, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.
Weakness: CWE-787
Which versions are affected by CVE-2021-45638?
It affects 14 products.
Products include Netgear D6220 Firmware, Netgear D6400 Firmware, Netgear D7000v2 Firmware, Netgear D8500 Firmware, Netgear Dc112a Firmware, Netgear R6300v2 Firmware and 8 more.
How do I fix CVE-2021-45638?
No fix has been published for CVE-2021-45638 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-2021-45638 being exploited?
There is no known exploitation of CVE-2021-45638 in the wild and no public exploit code.
Other vulnerabilities in Netgear D6220 Firmware
Sources
Also known as GHSA-ffgh-6q37-4pj7.