CVE-2018-21153 Memory corruption in n/a
Unauthenticated attackers can exploit a buffer overflow in NETGEAR router firmware 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-2018-21153?
CVE-2018-21153 is a high-severity memory corruption vulnerability in Netgear D7800 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 buffer overflow by an unauthenticated attacker. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, EX2700 before 1.0.1.32, EX6100v2 before 1.0.1.70, EX6150v2 before 1.0.1.70, EX6200v2 before 1.0.1.62, EX6400 before 1.0.1.78, EX7300 before 1.0.1.62, EX8000 before 1.0.0.114, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, R7800 before 1.0.2.40, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WN2000RPTv3 before 1.0.1.26, WN3000RPv2 before 1.0.0.56, WN3000RPv3 before 1.0.2.66, WN3100RPv2 before 1.0.0.56, 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-120
Which versions are affected by CVE-2018-21153?
It affects 20 products.
Products include Netgear D7800 Firmware, Netgear Dm200 Firmware, Netgear Ex2700 Firmware, Netgear Ex6100 Firmware, Netgear Ex6150 Firmware, Netgear Ex6200 Firmware and 14 more.
How do I fix CVE-2018-21153?
No fix has been published for CVE-2018-21153 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-2018-21153 being exploited?
There is no known exploitation of CVE-2018-21153 in the wild and no public exploit code.
Other vulnerabilities in Netgear D7800 Firmware
Sources
Also known as GHSA-v5vw-fvmv-9vrj.