CVE-2022-48196: Pre-Authentication Buffer Overflow on Netgear Routers
Networking equipment company Netgear has released patches to remediate a high-severity pre-authentication buffer overflow vulnerability affecting multiple routers that could be exploited by remote attackers to crash or execute arbitrary code of an affected system.
Traced as CVE-2022-48196 (CVSS score: 7.4), the security weakness impacts the following models –
- RAX40 fixed in firmware version 1.0.2.60
- RAX35 fixed in firmware version 1.0.2.60
- R6400v2 fixed in firmware version 1.0.4.122
- R6700v3 fixed in firmware version 1.0.4.122
- R6900P fixed in firmware version 1.3.3.152
- R7000P fixed in firmware version 1.3.3.152
- R7000 fixed in firmware version 1.0.11.136
- R7960P fixed in firmware version 1.4.4.94
- R8000P fixed in firmware version 1.4.4.94
“NETGEAR strongly recommends that you download the latest firmware as soon as possible,” the company wrote.
How to download the latest firmware for your NETGEAR product:
- Visit NETGEAR Support.
- Start typing your model number in the search box, then select your model from the drop-down menu as soon as it appears.
If you do not see a drop-down menu, make sure that you entered your model number correctly, or select a product category to browse for your product model. - Click Downloads.
- Under Current Versions, select the download whose title begins with Firmware Version.
- Click Download.
- Follow the instructions in your product’s user manual, firmware release notes, or product support page to install the new firmware.
Netgear has not disclosed any information about the component included in the firmware affected by CVE-2022-48196.
“The pre-authentication buffer overflow vulnerability remains if you do not complete all recommended steps. NETGEAR is not responsible for any consequences that could have been avoided by following the recommendations in this notification,” the company warned.
