First published: Sun Dec 26 2021(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Netgear R6260 Firmware | <1.1.0.76 | |
NETGEAR R6260 | ||
Netgear R6800 Firmware | <1.2.0.62 | |
Netgear R6800 | ||
Netgear R6700v2 Firmware | <1.2.0.62 | |
NETGEAR R6700v2 | ||
Netgear R6900v2 Firmware | <1.2.0.62 | |
Netgear R6900v2 | ||
Netgear R7450 Firmware | <1.2.0.62 | |
NETGEAR R7450 | ||
Netgear Ac2100 Firmware | <1.2.0.62 | |
Netgear Ac2100 | ||
Netgear Ac2400 Firmware | <1.2.0.62 | |
Netgear Ac2400 | ||
Netgear Ac2600 Firmware | <1.2.0.62 | |
Netgear Ac2600 | ||
All of | ||
Netgear R6260 Firmware | <1.1.0.76 | |
NETGEAR R6260 | ||
All of | ||
Netgear R6800 Firmware | <1.2.0.62 | |
Netgear R6800 | ||
All of | ||
Netgear R6700v2 Firmware | <1.2.0.62 | |
NETGEAR R6700v2 | ||
All of | ||
Netgear R6900v2 Firmware | <1.2.0.62 | |
Netgear R6900v2 | ||
All of | ||
Netgear R7450 Firmware | <1.2.0.62 | |
NETGEAR R7450 | ||
All of | ||
Netgear Ac2100 Firmware | <1.2.0.62 | |
Netgear Ac2100 | ||
All of | ||
Netgear Ac2400 Firmware | <1.2.0.62 | |
Netgear Ac2400 | ||
All of | ||
Netgear Ac2600 Firmware | <1.2.0.62 | |
Netgear Ac2600 |
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
CVE-2021-45637 is a vulnerability affecting certain NETGEAR devices, allowing an unauthenticated attacker to execute a stack-based buffer overflow.
CVE-2021-45637 affects the following NETGEAR devices: 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.
The severity of CVE-2021-45637 is rated as critical, with a CVSS score of 9.8.
An unauthenticated attacker can exploit CVE-2021-45637 by executing a stack-based buffer overflow on vulnerable NETGEAR devices.
You can find more information about CVE-2021-45637 in the security advisory published by NETGEAR at the following link: [https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081](https://kb.netgear.com/000064059/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-PSV-2019-0081)