CVE-2018-21214 Memory corruption in n/a

High 8.8 Published Updated

Unauthenticated attackers can exploit a buffer overflow in various 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-2018-21214?

CVE-2018-21214 is a high-severity memory corruption vulnerability in Netgear D3600 Firmware, published on 28 Apr 2020. 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 D3600 before 1.0.0.67, D6000 before 1.0.0.67, EX2700 before 1.0.1.28, R6100 before 1.0.1.20, R7500v2 before 1.0.3.24, R9000 before 1.0.2.52, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.

Weakness: CWE-120

Which versions are affected by CVE-2018-21214?

It affects 9 products.

Products include Netgear D3600 Firmware, Netgear D6000 Firmware, Netgear Ex2700 Firmware, Netgear R6100 Firmware, Netgear R7500 Firmware, Netgear R9000 Firmware and 3 more.

How do I fix CVE-2018-21214?

No fix has been published for CVE-2018-21214 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-2018-21214 being exploited?

There is no known exploitation of CVE-2018-21214 in the wild and no public exploit code.

All Netgear D3600 Firmware vulnerabilities

Sources

Also known as GHSA-chxq-2w4g-w77p.

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