CVE-2017-18739 Memory corruption in n/a
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-2017-18739?
CVE-2017-18739 is a high-severity memory corruption vulnerability in Netgear R6220 Firmware, published on 23 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 R6220 before V1.1.0.50, R7800 before V1.0.2.36, WNDR3400v3 before 1.0.1.14, and WNDR3700v5 before V1.1.0.48.
Weakness: CWE-120
Which versions are affected by CVE-2017-18739?
It affects 4 products.
Products include Netgear R6220 Firmware, Netgear R7800 Firmware, Netgear Wndr3400 Firmware, Netgear Wndr3700 Firmware.
How do I fix CVE-2017-18739?
No fix has been published for CVE-2017-18739 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-2017-18739 being exploited?
There is no known exploitation of CVE-2017-18739 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6220 Firmware
Sources
Also known as GHSA-vhvp-crrw-vcp3.