CVE-2019-20728 Memory corruption in n/a

Medium 6.3 Published Updated

Authenticated attackers can exploit a buffer overflow in NETGEAR router firmware to execute arbitrary code or escalate privileges.

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-2019-20728?

CVE-2019-20728 is a medium-severity memory corruption vulnerability in Netgear D6400 Firmware, published on 16 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 authenticated user. This affects D6400 before 1.0.0.74, D7000v2 before 1.0.0.74, D7800 before 1.0.1.34, D8500 before 1.0.3.39, DGN2200v4 before 1.0.0.102, DGND2200Bv4 before 1.0.0.102, DM200 before 1.0.0.52, JNDR3000 before 1.0.0.22, RBK50 before 2.3.5.30, RBR50 before 2.3.5.30, RBS50 before 2.3.5.30, RBW30 before 2.1.2.6, R6250 before 1.0.4.26, R6300v2 before 1.0.4.24, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.26, R6900P before 1.3.0.20, R7000P before 1.3.0.20, R7100LG before 1.0.0.40, R7300DST before 1.0.0.62, R7500v2 before 1.0.3.26, R7800 before 1.0.2.44, R7900 before 1.0.2.10, R8000 before 1.0.4.12, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.116, R8500 before 1.0.2.116, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3400v3 before 1.0.1.18, WNDR3700v4 before 1.0.2.96, WNDR4300v1 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, WNR2000v5 before 1.0.0.64, and WNR3500Lv2 before 1.2.0.48.

Weakness: CWE-120

Which versions are affected by CVE-2019-20728?

It affects 38 products.

Products include Netgear D6400 Firmware, Netgear D7000 Firmware, Netgear D7800 Firmware, Netgear D8500 Firmware, Netgear Dgn2200 Firmware, Netgear Dgnd2200b Firmware and 32 more.

How do I fix CVE-2019-20728?

No fix has been published for CVE-2019-20728 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-2019-20728 being exploited?

There is no known exploitation of CVE-2019-20728 in the wild and no public exploit code.

All Netgear D6400 Firmware vulnerabilities

Sources

Also known as GHSA-gqgg-2mqq-wgc2.

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