CVE-2021-45528 Memory corruption in n/a
Authenticated attackers can exploit a buffer overflow in NETGEAR routers to execute arbitrary code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-45528?
CVE-2021-45528 is a high-severity memory corruption vulnerability in Netgear R6400 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 buffer overflow by an authenticated user. This affects R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R6900 before 1.0.2.8, R7000 before 1.0.9.88, R7900 before 1.0.3.18, R8000 before 1.0.4.46, R7900P before 1.4.1.50, R8000P before 1.4.1.50, RAX75 before 1.0.3.88, RAX80 before 1.0.3.88, and WNR3500Lv2 before 1.2.0.62.
Weakness: CWE-120
Which versions are affected by CVE-2021-45528?
It affects 11 products.
Products include Netgear R6300v2 Firmware, Netgear R6400 Firmware, Netgear R6900 Firmware, Netgear R7000 Firmware, Netgear R7900 Firmware, Netgear R7900p Firmware and 5 more.
How do I fix CVE-2021-45528?
No fix has been published for CVE-2021-45528 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-2021-45528 being exploited?
There is no known exploitation of CVE-2021-45528 in the wild and no public exploit code.
Sources
Also known as GHSA-q9cx-37c3-pggp.