Netgear fixed a bug affecting multiple WiFi router models, including Wireless AC Nighthawk, Wireless AX Nighthawk (WiFi 6), and Wireless AC router models.
The vendor only said that the flaw is a pre-authentication buffer overflow vulnerability and urged customers to address the firmware of their devices as soon as possible. An attacker can exploit this vulnerability without requiring permissions or user interaction.
Threat actors often exploit this kind of issue to trigger a DoS condition or to execute arbitrary code on vulnerable devices.
“NETGEAR has released fixes for a pre-authentication buffer overflow security vulnerability” reads the advisory published by the company. “NETGEAR strongly recommends that you download the latest firmware as soon as possible.”
Below is the list of fixes released by the company for the specific product models:
Below are step-by-step instructions to download the latest firmware for impacted router models:
“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.” concludes the advisory.
The vendor did don reveal if the flaw has been actively exploited in attacks in the wild.
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(SecurityAffairs – hacking, Netgear)