CVE-2023-20025: Cisco RV016 Firmware

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, and RV082 Routers could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to improper validation of user input within incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to bypass authentication and gain root access on the underlying operating system.

Affected products

• Cisco RV016 Firmware: affected versions not specified
• Cisco RV042 Firmware: affected versions not specified
• Cisco RV042G Firmware: affected versions not specified
• Cisco RV082 Firmware: affected versions not specified

Published 2023-01-20. Last modified 2026-06-17.