CVE-2020-3332: Cisco Small Business RV110W, RV130, RV130W, and RV215W Series Routers Command Shell Injection Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% 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-78

Description

A vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Series Routers could allow an authenticated, remote attacker to inject arbitrary shell commands that are executed by an affected device. The vulnerability is due to insufficient input validation of user-supplied data. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary shell commands or scripts with root privileges on 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 1.0.3.55 — fixed in 1.0.3.55
Cisco Rv130W Wireless-N Multifunction Vpn Router Firmware: before 1.0.3.55 — fixed in 1.0.3.55
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 1.0.3.55; Cisco Rv130W Wireless-N Multifunction Vpn Router Firmware 1.0.3.55; Cisco Rv215W Wireless-N Vpn Router Firmware 1.3.1.7. Check the vendor advisory for mitigations.

References

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