Cisco has released security updates to address a vulnerability (CVE-2021-1287) in Cisco Small Business routers. A vulnerability in the web-based management interface of Cisco RV132W ADSL2+ Wireless-N VPN Routers and Cisco RV134W VDSL2 Wireless-AC VPN Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device or cause the device to restart unexpectedly.

Cisco fixed this vulnerability in the following Cisco products:

RV132W ADSL2+ Wireless-N VPN Routers firmware releases 1.0.1.15 and later

RV134W VDSL2 Wireless-AC VPN Routers firmware releases 1.0.1.21 and later

More information on vulnerability and updates is available in the Cisco security advisory — cisco.com.