CVE-2021-45530 Memory corruption in n/a
An authenticated user can trigger a buffer overflow in NETGEAR routers, potentially leading to arbitrary code execution.
- 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-2021-45530?
CVE-2021-45530 is a medium-severity memory corruption vulnerability in Netgear R7000 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 R7000 before 1.0.11.126, R7960P before 1.4.2.84, R8000 before 1.0.4.74, RAX200 before 1.0.4.120, R8000P before 1.4.2.84, RAX20 before 1.0.2.82, RAX45 before 1.0.2.82, RAX80 before 1.0.4.120, R7900P before 1.4.2.84, RAX15 before 1.0.2.82, RAX50 before 1.0.2.82, and RAX75 before 1.0.4.120.
Weakness: CWE-120
Which versions are affected by CVE-2021-45530?
It affects 12 products.
Products include Netgear R7000 Firmware, Netgear R7000p Firmware, Netgear R7960p Firmware, Netgear R8000 Firmware, Netgear R8000p Firmware, Netgear Rax15 Firmware and 6 more.
How do I fix CVE-2021-45530?
No fix has been published for CVE-2021-45530 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-2021-45530 being exploited?
There is no known exploitation of CVE-2021-45530 in the wild and no public exploit code.
Other vulnerabilities in Netgear R7000 Firmware
Sources
Also known as GHSA-c22f-2mc2-g4mc.