CVE-2021-1602

HIGH

Cisco Small Business RV Series Router Firmware < 1.0.01.04 - Unauthenticated OS Command Injection via Web Interface

Title source: llm
STIX 2.1

Description

A vulnerability in the web-based management interface of Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device. This vulnerability is due to insufficient user input validation. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to execute arbitrary commands on an affected device using root-level privileges. Due to the nature of the vulnerability, only commands without parameters can be executed.

References (1)

Core 1

Scores

CVSS v3 8.2
EPSS 0.0162
EPSS Percentile 82.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-78 CWE-20
Status published
Products (1)
cisco/small_business_rv_series_router_firmware < 1.0.01.04
Published Aug 04, 2021
Tracked Since Feb 18, 2026