CVE-2019-20640 Memory corruption in n/a
Unauthenticated attackers can execute arbitrary code via a stack-based buffer overflow in various NETGEAR router models.
- 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-2019-20640?
CVE-2019-20640 is a high-severity memory corruption vulnerability in Netgear D3600 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 stack-based buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.76, D6000 before 1.0.0.76, D6200 before 1.1.00.32, D7000 before 1.0.1.68, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.38, R6050 before 1.0.1.18, R6080 before 1.0.0.38, R6120 before 1.0.0.46, R6220 before 1.1.0.80, R6260 before 1.1.0.40, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, WNR2020 before 1.1.0.62, and XR500 before 2.3.2.32.
Weakness: CWE-787
Which versions are affected by CVE-2019-20640?
It affects 17 products.
Products include Netgear D3600 Firmware, Netgear D6000 Firmware, Netgear D6200 Firmware, Netgear D7000 Firmware, Netgear Jr6150 Firmware, Netgear Pr2000 Firmware and 11 more.
How do I fix CVE-2019-20640?
No fix has been published for CVE-2019-20640 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-2019-20640 being exploited?
There is no known exploitation of CVE-2019-20640 in the wild and no public exploit code.
Other vulnerabilities in Netgear D3600 Firmware
Sources
Also known as GHSA-7rh8-44p3-q7vr.