critical
9
CWE
121
Advisory Published
Updated

CVE-2021-1329: Cisco Small Business RV Series Routers Management Interface Remote Command Execution and Denial of Service 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 execute arbitrary code or cause an affected device to restart unexpectedly. 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 an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system or cause the device to reload, resulting in a denial of service (DoS) condition. To exploit these vulnerabilities, an attacker would need to have valid administrator credentials on the 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?

    The vulnerability ID is CVE-2021-1329.

  • What is the severity of CVE-2021-1329?

    The severity of CVE-2021-1329 is critical.

  • Which Cisco devices are affected by CVE-2021-1329?

    Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers are affected by CVE-2021-1329.

  • What are the potential impacts of CVE-2021-1329?

    The potential impacts of CVE-2021-1329 include execution of arbitrary code or unexpected device restart.

  • How can I fix CVE-2021-1329?

    Cisco has provided a security advisory with mitigation measures. Please refer to the following link for the advisory: [Cisco Security Advisory](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-overflow-ghZP68yj).

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