CVE-2021-1602 : faille critique cisco small business rv series router… (CVSS 9.8)

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.

Sévérité

Critique (CVSS 9.8)

Vecteur CVSS

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation active

Non signalée par la CISA

Publication

4 août 2021

Dernière mise à jour

17 juin 2026

• cisco small business rv series router firmware

• Fiche CVE-2021-1602 sur le NVD (NIST)
• tools.cisco.com/security/center/content/CiscoSecurityAdvisory/…