CVE-2021-45523 Memory corruption in n/a
An authenticated user can trigger a buffer overflow in NETGEAR R7000 routers, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-45523?
CVE-2021-45523 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
NETGEAR R7000 devices before 1.0.9.42 are affected by a buffer overflow by an authenticated user.
Weakness: CWE-120
Which versions are affected by CVE-2021-45523?
It affects 1 product.
Products include Netgear R7000 Firmware.
How do I fix CVE-2021-45523?
No fix has been published for CVE-2021-45523 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-2021-45523 being exploited?
There is no known exploitation of CVE-2021-45523 in the wild and no public exploit code.
Other vulnerabilities in Netgear R7000 Firmware
Sources
Also known as GHSA-qmw2-f5xc-5j93.