CVE-2019-1827: Cisco RV320 Firmware

Medium severity, CVSS 6.1. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability in the Online Help web service of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting (XSS) attack against a user of the service. The vulnerability exists because the Online Help web service of an affected device insufficiently validates user-supplied input. An attacker could exploit this vulnerability by persuading a user of the service to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected service or access sensitive browser-based information.This vulnerability affects Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers running firmware releases prior to 1.4.2.22.

Affected products

• Cisco RV320 Firmware: before 1.4.2.22 (fixed in 1.4.2.22)
• Cisco RV325 Firmware: before 1.4.2.22 (fixed in 1.4.2.22)

Published 2019-04-04. Last modified 2026-06-17.