CISCO has published new security updates for RV routers often used by small businesses.

Cisco Releases Security Updates for RV Series Routers | CISA

https://tools.cisco.com/security/center/publicationListing.x

Cisco has released security updates to address vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers. A remote attacker could exploit some of these vulnerabilities to take control of an affected system. For updates addressing lower severity vulnerabilities, see the Cisco Security Advisories page.