CVE-2021-1459: Cisco RV110W Firmware

Critical severity, CVSS 9.8. EPSS: 3% chance of exploitation in the next 30 days.

A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to execute arbitrary code on an affected device. The vulnerability is due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system of the affected device. Cisco has not released software updates that address this vulnerability.

Affected products

• Cisco RV110W Firmware: version 1.0.3.55 only
• Cisco RV130 Firmware: version 1.0.3.55 only
• Cisco RV130W Firmware: version 1.0.3.55 only
• Cisco RV215W Firmware: version 1.0.3.55 only

Published 2021-04-08. Last modified 2026-06-17.