CVE-2020-3323: Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote Command Execution Vulnerability

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-16 · updated 2026-06-17
Weakness: CWE-119

Description

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.

Affected products

Cisco RV110W Wireless-N VPN Firewall Firmware: before 1.2.2.8 — fixed in 1.2.2.8
Cisco Rv130 Vpn Router Firmware: before 1.0.3.54 — fixed in 1.0.3.54
Cisco Rv130W Wireless-N Multifunction Vpn Router Firmware: before 1.0.3.54 — fixed in 1.0.3.54
Cisco Rv215W Wireless-N Vpn Router Firmware: before 1.3.1.7 — fixed in 1.3.1.7

How to fix

Upgrade to a fixed version: Cisco RV110W Wireless-N VPN Firewall Firmware 1.2.2.8; Cisco Rv130 Vpn Router Firmware 1.0.3.54; Cisco Rv130W Wireless-N Multifunction Vpn Router Firmware 1.0.3.54; Cisco Rv215W Wireless-N Vpn Router Firmware 1.3.1.7. Check the vendor advisory for mitigations.

References

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