CVE-2018-21150 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-2018-21150?
CVE-2018-21150 is a medium-severity memory corruption vulnerability in Netgear D7800 Firmware, published on 22 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 D7800 before 1.0.1.34, DM200 before 1.0.0.50, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.
Weakness: CWE-787
Which versions are affected by CVE-2018-21150?
It affects 11 products.
Products include Netgear D7800 Firmware, Netgear Dm200 Firmware, Netgear R6100 Firmware, Netgear R7500 Firmware, Netgear R7800 Firmware, Netgear R8900 Firmware and 5 more.
How do I fix CVE-2018-21150?
No fix has been published for CVE-2018-21150 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-2018-21150 being exploited?
There is no known exploitation of CVE-2018-21150 in the wild and no public exploit code.
Other vulnerabilities in Netgear D7800 Firmware
Sources
Also known as GHSA-4q3w-mqx4-gcw2.