CVE-2021-45573 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-2021-45573?
CVE-2021-45573 is a high-severity memory corruption vulnerability in Netgear R6260 Firmware, published on 26 Dec 2021. 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 R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62.
Weakness: CWE-787
Which versions are affected by CVE-2021-45573?
It affects 8 products.
Products include Netgear Ac2100 Firmware, Netgear Ac2400 Firmware, Netgear Ac2600 Firmware, Netgear R6260 Firmware, Netgear R6700 Firmware, Netgear R6800 Firmware and 2 more.
How do I fix CVE-2021-45573?
No fix has been published for CVE-2021-45573 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-2021-45573 being exploited?
There is no known exploitation of CVE-2021-45573 in the wild and no public exploit code.
Other vulnerabilities in Netgear R6260 Firmware
Sources
Also known as GHSA-r2vh-7p3c-jgwf.