Disable management interface to block attacks
https://www.bleepingcomputer.com/news/security/cisco-warns-of-auth-bypass-bug-with-public-exploit-in-eol-routers/
Cisco warned customers today of a critical authentication bypass vulnerability with public exploit code affecting multiple end-of-life (EoL) VPN routers.
The security flaw (CVE-2023-20025) was found in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, and RV082 routers by Hou Liuyang of Qihoo 360 Netlab.