CVE-2019-20657 Memory corruption in n/a
An authenticated user can trigger a buffer overflow in NETGEAR routers, potentially allowing arbitrary code execution.
- 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-2019-20657?
CVE-2019-20657 is a high-severity memory corruption vulnerability in Netgear D6200 Firmware, published on 15 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 D6200 before 1.1.00.36, D7000 before 1.0.1.74, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.24, JR6150 before 1.0.1.24, R6120 before 1.0.0.48, R6220 before 1.1.0.86, R6230 before 1.1.0.86, R6260 before 1.1.0.64, R6700v2 before 1.2.0.62, R6800 before 1.2.0.62, R6900v2 before 1.2.0.62, and WNR2020 before 1.1.0.62.
Weakness: CWE-120
Which versions are affected by CVE-2019-20657?
It affects 15 products.
Products include Netgear D6200 Firmware, Netgear D7000 Firmware, Netgear Jr6150 Firmware, Netgear Pr2000 Firmware, Netgear R6020 Firmware, Netgear R6050 Firmware and 9 more.
How do I fix CVE-2019-20657?
No fix has been published for CVE-2019-20657 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-2019-20657 being exploited?
There is no known exploitation of CVE-2019-20657 in the wild and no public exploit code.
Other vulnerabilities in Netgear D6200 Firmware
Sources
Also known as GHSA-45c5-53rx-cg43.