CVE-2021-45609 Memory corruption in n/a

Critical 9.6 Published Updated

Unauthenticated attackers can exploit a buffer overflow in NETGEAR routers to execute arbitrary code.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-45609?

CVE-2021-45609 is a critical memory corruption vulnerability in Netgear D8500 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 unauthenticated attacker. This affects D8500 before 1.0.3.58, R6250 before 1.0.4.48, R7000 before 1.0.11.116, R7100LG before 1.0.0.64, R7900 before 1.0.4.38, R8300 before 1.0.2.144, R8500 before 1.0.2.144, XR300 before 1.0.3.68, R7000P before 1.3.2.132, and R6900P before 1.3.2.132.

Weakness: CWE-120

Which versions are affected by CVE-2021-45609?

It affects 10 products.

Products include Netgear D8500 Firmware, Netgear R6250 Firmware, Netgear R6900p Firmware, Netgear R7000 Firmware, Netgear R7000p Firmware, Netgear R7100lg Firmware and 4 more.

How do I fix CVE-2021-45609?

No fix has been published for CVE-2021-45609 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-2021-45609 being exploited?

There is no known exploitation of CVE-2021-45609 in the wild and no public exploit code.

All Netgear D8500 Firmware vulnerabilities

Sources

Also known as GHSA-3wm8-ccjv-8v3m.

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