CVE-2018-21163 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-2018-21163?
CVE-2018-21163 is a medium-severity memory corruption vulnerability in Netgear Ex6200 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 stack-based buffer overflow by an authenticated user. This affects DGN2200Bv4 before 1.0.0.102, DGN2200v4 before 1.0.0.102, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150 before 1.0.0.38, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6300v2 before 1.0.4.22, R6900P before 1.3.0.18, R7000P before 1.3.0.18, R7300DST before 1.0.0.62, R7900P before 1.3.0.10, R8000 before 1.0.4.12, R8000P before 1.3.0.10, WN2500RPv2 before 1.0.1.52, and WNDR3400v3 before 1.0.1.18.
Weakness: CWE-787
Which versions are affected by CVE-2018-21163?
It affects 20 products.
Products include Netgear Dgn2200 Firmware, Netgear Dgn2200b Firmware, Netgear Ex3700 Firmware, Netgear Ex3800 Firmware, Netgear Ex6000 Firmware, Netgear Ex6100 Firmware and 14 more.
How do I fix CVE-2018-21163?
No fix has been published for CVE-2018-21163 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-2018-21163 being exploited?
There is no known exploitation of CVE-2018-21163 in the wild and no public exploit code.
Other vulnerabilities in Netgear Ex6200 Firmware
Sources
Also known as GHSA-j5rp-qhhj-8vw3.