critical
9
CWE
78 20
Advisory Published
Updated

CVE-2021-1317: 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 for this Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers vulnerability?

    The vulnerability ID is CVE-2021-1317.

  • What is the severity rating for CVE-2021-1317?

    The severity rating for CVE-2021-1317 is critical.

  • What can an attacker do with CVE-2021-1317?

    An attacker can inject arbitrary commands with root privileges.

  • How can I check if my Cisco Small Business router is affected by CVE-2021-1317?

    You can check the affected software section in the vulnerability description for the specific router models and firmware versions.

  • How can I fix CVE-2021-1317 on my Cisco Small Business router?

    Cisco has provided a security advisory which includes remediation steps for this vulnerability. Please refer to the provided reference link for more information.

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