CVE-2020-3453: Cisco RV340 Firmware

Medium severity, CVSS 6.8. EPSS: 3.1% chance of exploitation in the next 30 days.

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 Series Routers could allow an authenticated, remote attacker with administrative credentials to execute arbitrary commands on the underlying operating system (OS) as a restricted user. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products

• Cisco RV340 Firmware: before 1.0.03.19 (fixed in 1.0.03.19)
• Cisco RV340W Firmware: before 1.0.03.19 (fixed in 1.0.03.19)
• Cisco RV345 Firmware: before 1.0.03.19 (fixed in 1.0.03.19)
• Cisco RV345P Firmware: before 1.0.03.19 (fixed in 1.0.03.19)

Published 2020-09-04. Last modified 2026-06-17.