CVE-2021-45526 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-2021-45526?
CVE-2021-45526 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 EX6000 before 1.0.0.38, EX6120 before 1.0.0.48, EX6130 before 1.0.0.30, R6300v2 before 1.0.4.52, R6400 before 1.0.1.52, R7000 before 1.0.11.126, R7900 before 1.0.4.30, R8000 before 1.0.4.52, R7000P before 1.3.2.124, R8000P before 1.4.1.50, RAX80 before 1.0.3.88, R6900P before 1.3.2.124, R7900P before 1.4.1.50, and RAX75 before 1.0.3.88.
Weakness: CWE-120
Which versions are affected by CVE-2021-45526?
It affects 14 products.
Products include Netgear Ex6000 Firmware, Netgear Ex6120 Firmware, Netgear Ex6130 Firmware, Netgear R6300v2 Firmware, Netgear R6400 Firmware, Netgear R6900p Firmware and 8 more.
How do I fix CVE-2021-45526?
No fix has been published for CVE-2021-45526 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-2021-45526 being exploited?
There is no known exploitation of CVE-2021-45526 in the wild and no public exploit code.
Sources
Also known as GHSA-c8w9-7pxw-2m9j.