CVE-2022-20873: 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 Software | Affected Version | How to fix |
|---|---|---|
| Cisco Rv215w Firmware | =1.0.3.55 | |
| Cisco RV215W | ||
| Cisco Rv130w Firmware | =1.0.3.55 | |
| Cisco RV130W | ||
| Cisco Rv130 Firmware | =1.0.3.55 | |
| Cisco Rv130 | ||
| Cisco Rv110w Firmware | =1.0.3.55 | |
| Cisco RV110W | ||
| Cisco Application Extension Platform | =1.0.3.55 |
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Reference Links
Frequently Asked Questions
What is CVE-2022-20873?
CVE-2022-20873 is a vulnerability in the web-based management interface of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers that allows for remote code execution or denial of service attacks.
How severe is CVE-2022-20873?
CVE-2022-20873 has a severity rating of 7.2, indicating a high severity level.
How can an attacker exploit CVE-2022-20873?
An attacker can exploit CVE-2022-20873 by sending specially crafted requests to the web-based management interface, allowing for the execution of arbitrary code or causing the affected device to restart unexpectedly.
Which Cisco routers are affected by CVE-2022-20873?
CVE-2022-20873 affects Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers.
Is there a fix available for CVE-2022-20873?
Yes, Cisco has released firmware updates to address the vulnerability. It is recommended to update to the latest firmware version provided by Cisco.
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