7.2
CWE
120
Advisory Published
Updated

CVE-2022-20889: Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerabilities

First published: Thu Jul 21 2022(Updated: )

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an authenticated, remote attacker to execute arbitrary code on an affected device or cause the device to restart unexpectedly, resulting in a denial of service (DoS) condition. These vulnerabilities are due to insufficient validation of user fields within incoming HTTP packets. An attacker could exploit these vulnerabilities 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 with root-level privileges or to cause the device to restart unexpectedly, resulting in a DoS condition. To exploit these vulnerabilities, an attacker would need to have valid Administrator credentials on the affected device. Cisco has not released software updates that address these vulnerabilities.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Rv215w Firmware=1.0.3.55
Cisco Rv215w Firmware=1.2.2.8
Cisco Rv215w Firmware=1.3.1.7
Cisco RV215W
Cisco Rv130w Firmware=1.0.3.55
Cisco Rv130w Firmware=1.2.2.8
Cisco Rv130w Firmware=1.3.1.7
Cisco RV130W
Cisco Rv130 Firmware=1.0.3.55
Cisco Rv130 Firmware=1.2.2.8
Cisco Rv130 Firmware=1.3.1.7
Cisco Rv130
Cisco Rv110w Firmware=1.0.3.55
Cisco Rv110w Firmware=1.2.2.8
Cisco Rv110w Firmware=1.3.1.7
Cisco RV110W
Cisco Application Extension Platform=1.0.3.55

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Frequently Asked Questions

  • What is CVE-2022-20889?

    CVE-2022-20889 is a vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers that could allow an authenticated, remote attacker to execute arbitrary code or cause the device to restart unexpectedly.

  • Who is affected by CVE-2022-20889?

    Users of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers with specific firmware versions are affected by CVE-2022-20889.

  • How severe is CVE-2022-20889?

    CVE-2022-20889 has a severity rating of 7.2, which is considered high.

  • How can an attacker exploit CVE-2022-20889?

    An attacker with authenticated access to the web-based management interface of the affected routers can exploit CVE-2022-20889 by executing arbitrary code or causing the device to restart unexpectedly.

  • Is there a fix for CVE-2022-20889?

    Yes, Cisco has released firmware updates to address the vulnerability. Users should update their routers to the latest firmware version to mitigate the risk.

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