CVE-2021-45525 Memory corruption in n/a
An authenticated user can trigger a buffer overflow in NETGEAR routers, potentially allowing 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-2021-45525?
CVE-2021-45525 is a medium-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 EX7000 before 1.0.1.80, R6400 before 1.0.1.50, R6400v2 before 1.0.4.118, R6700 before 1.0.2.8, R6700v3 before 1.0.4.118, R6900 before 1.0.2.8, R6900P before 1.3.2.124, R7000 before 1.0.9.88, R7000P before 1.3.2.124, R7900 before 1.0.3.18, R7900P before 1.4.1.50, R8000 before 1.0.4.46, R8000P before 1.4.1.50, RAX80 before 1.0.1.56, and WNR3500Lv2 before 1.2.0.62.
Weakness: CWE-120
Which versions are affected by CVE-2021-45525?
It affects 15 products.
Products include Netgear Ex7000 Firmware, Netgear R6400 Firmware, Netgear R6400v2 Firmware, Netgear R6700 Firmware, Netgear R6700v3 Firmware, Netgear R6900 Firmware and 9 more.
How do I fix CVE-2021-45525?
No fix has been published for CVE-2021-45525 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-2021-45525 being exploited?
There is no known exploitation of CVE-2021-45525 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6400 Firmware
Sources
Also known as GHSA-5gwf-666w-9f26.