critical
9
CWE
78 20
Advisory Published
Updated

CVE-2021-1318: Cisco Small Business RV Series Routers Management Interface Command Injection Vulnerabilities

First published: Thu Feb 04 2021(Updated: )

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges. These vulnerabilities are due to improper validation of user-supplied input in the web-based management interface. An attacker could exploit these vulnerabilities by sending crafted HTTP requests to a targeted device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on an affected device.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Rv016 Multi-wan Vpn Router Firmware<=4.2.3.14
Cisco Rv016 Multi-wan Vpn Router
Cisco Rv042 Dual Wan Vpn Router Firmware<=4.2.3.14
Cisco Rv042 Dual Wan Vpn Router
Cisco Rv042g Dual Gigabit Wan Vpn Router Firmware<=4.2.3.14
Cisco Rv042g Dual Gigabit Wan Vpn Router
Cisco Rv082 Dual Wan Vpn Router Firmware<=4.2.3.14
Cisco Rv082 Dual Wan Vpn Router
Cisco Rv320 Dual Gigabit Wan Vpn Router Firmware<=1.5.1.11
Cisco Rv320 Dual Gigabit Wan Vpn Router
Cisco Rv325 Dual Gigabit Wan Vpn Router Firmware<=1.5.1.11
Cisco Rv325 Dual Gigabit Wan Vpn Router

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers vulnerability?

    The vulnerability ID is CVE-2021-1318.

  • What is the severity of CVE-2021-1318?

    The severity of CVE-2021-1318 is critical with a CVSS score of 7.2.

  • How can an attacker exploit CVE-2021-1318?

    An authenticated, remote attacker can exploit CVE-2021-1318 by injecting arbitrary commands that are executed with root privileges.

  • What is the affected software for CVE-2021-1318?

    The affected software includes Cisco Rv016 Multi-wan Vpn Router Firmware, Cisco Rv042 Dual Wan Vpn Router Firmware, Cisco Rv042g Dual Gigabit Wan Vpn Router Firmware, Cisco Rv082 Dual Wan Vpn Router Firmware, Cisco Rv320 Dual Gigabit Wan Vpn Router Firmware, and Cisco Rv325 Dual Gigabit Wan Vpn Router Firmware.

  • What is the fix for CVE-2021-1318?

    To fix CVE-2021-1318, Cisco has released software updates. It is recommended to update to the latest available firmware for the affected routers.

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