CVE-2021-38526 Memory corruption in n/a

Medium 4.3 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-2021-38526?

CVE-2021-38526 is a medium-severity memory corruption vulnerability in n/a, published on 11 Aug 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 RAX35 before 1.0.3.94, RAX38 before 1.0.3.94, and RAX40 before 1.0.3.94.

Weakness: CWE-120

Which versions are affected by CVE-2021-38526?

It affects 3 products.

Products include Netgear Rax35 Firmware, Netgear Rax38 Firmware, Netgear Rax40 Firmware.

How do I fix CVE-2021-38526?

No fix has been published for CVE-2021-38526 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-2021-38526 being exploited?

There is no known exploitation of CVE-2021-38526 in the wild and no public exploit code.

Sources

Also known as GHSA-w6cx-mcrx-5955.

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