CVE-2022-20700: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability
Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code Elevate privileges Execute arbitrary commands Bypass authentication and authorization protections Fetch and run unsigned software Cause denial of service (DoS) For more information about these vulnerabilities, see the Details section of this advisory.
Other sources
A vulnerability in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker to do any of the following: Execute arbitrary code elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, fetch and run unsigned software, or cause a denial of service (DoS).
— CISA
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2022-20700?
The severity of CVE-2022-20700 is critical with a CVSS score of 9.8.
Which Cisco Small Business RV Series Routers are affected by CVE-2022-20700?
Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers are affected by CVE-2022-20700.
What can an attacker do with CVE-2022-20700?
An attacker exploiting CVE-2022-20700 can execute arbitrary code, elevate privileges, execute arbitrary commands, bypass authentication and authorization protections, and fetch and run unsigned software.
How can I fix CVE-2022-20700?
To fix CVE-2022-20700, update your Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers to the latest firmware version.
Where can I find more information about CVE-2022-20700?
You can find more information about CVE-2022-20700 on the Cisco Security Advisory at [https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D](https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D).