CVE-2019-20755 Memory corruption in n/a
Authenticated attackers can trigger a stack-based buffer overflow in NETGEAR routers 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-2019-20755?
CVE-2019-20755 is a medium-severity memory corruption vulnerability in Netgear D6220 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 stack-based buffer overflow by an authenticated user. This affects D6220 before 1.0.0.46, D6400 before 1.0.0.80, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v1 before 1.0.0.58, DGN2200B before 1.0.0.58, JNDR3000 before 1.0.0.24, RBW30 before 2.1.4.16, R6250 before 1.0.4.26, R6300v2 before 1.0.4.28, R6400 before 1.0.1.42, R6400v2 before 1.0.2.56, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.32, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300DST before 1.0.0.68, R7000P before 1.3.1.44, R7900 before 1.0.2.16, R8000P before 1.4.0.10, R7900P before 1.4.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, R8000 before 1.0.4.18, WNDR3400v3 before 1.0.1.22, WNDR4500v2 before 1.0.0.72, WNR3500Lv2 before 1.2.0.54, WN3100RP before 1.0.0.20, and WN2500RPv2 before 1.0.1.54.
Weakness: CWE-787
Which versions are affected by CVE-2019-20755?
It affects 29 products.
Products include Netgear D6220 Firmware, Netgear D6400 Firmware, Netgear D7000 Firmware, Netgear D8500 Firmware, Netgear Dgn2200 Firmware, Netgear Dgn2200b Firmware and 23 more.
How do I fix CVE-2019-20755?
No fix has been published for CVE-2019-20755 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-2019-20755 being exploited?
There is no known exploitation of CVE-2019-20755 in the wild and no public exploit code.
Other vulnerabilities in Netgear D6220 Firmware
Sources
Also known as GHSA-jjjm-2v77-2785.