CVE-2018-21170 Memory corruption in n/a
Unauthenticated attackers can trigger a stack-based 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-2018-21170?
CVE-2018-21170 is a high-severity memory corruption vulnerability in Netgear R7800 Firmware, published on 27 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 EX2700 before 1.0.1.28, R7800 before 1.0.2.40, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.
Weakness: CWE-787
Which versions are affected by CVE-2018-21170?
It affects 5 products.
Products include Netgear Ex2700 Firmware, Netgear R7800 Firmware, Netgear Wn2000rpt Firmware, Netgear Wn3000rp Firmware, Netgear Wn3100rp Firmware.
How do I fix CVE-2018-21170?
No fix has been published for CVE-2018-21170 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-2018-21170 being exploited?
There is no known exploitation of CVE-2018-21170 in the wild and no public exploit code.
Sources
Also known as GHSA-9m33-62jp-gj6h.