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CVE-2019-1652

High 7.2 Exploited in the wild (KEV)

Confirmed active exploitation — CISA KEV catalog

Name
Cisco Small Business Routers Improper Input Validation Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply updates per vendor instructions.

Description

A vulnerability in the web-based management interface of Cisco Small Business RV320 and RV325 Dual Gigabit WAN VPN Routers could allow an authenticated, remote attacker with administrative privileges on an affected device to execute arbitrary commands. The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending malicious HTTP POST requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux shell as root. Cisco has released firmware updates that address this vulnerability.

Metrics

CVSS 3.1
7.2 (HIGH) Score source: NVD CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
96% (percentile: 100) as of 1 November 2026
CWE
CWE-20, CWE-78

Affected products

cisco: rv320 firmware; cisco: rv320; cisco: rv325 firmware; cisco: rv325

References