CVE-2023-20026: Cisco RV016 Firmware

High severity, CVSS 7.2. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320 and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary commands 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 gain root-level privileges and access unauthorized data. To exploit this vulnerability, an attacker would need to have valid administrative credentials on the affected device.

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.