CVE-2022-20699: Cisco Small Business RV Series Routers Stack-based Buffer Overflow Vulnerability

Published Feb 10, 2022
·
Updated

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).

Other sources

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.

Affected Software

17 affected components
Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers
Cisco RV340 Firmware<=1.0.03.24
Cisco RV340
Cisco Rv340w Firmware<=1.0.03.24
Cisco RV340W
Cisco Rv345 Firmware<=1.0.03.24
Cisco RV345
Cisco Rv345p Firmware<=1.0.03.24
Cisco RV345P
All of the following
Cisco RV340 Firmware<=1.0.03.24
Cisco RV340
All of the following
Cisco Rv340w Firmware<=1.0.03.24
Cisco RV340W
All of the following
Cisco Rv345 Firmware<=1.0.03.24
Cisco RV345
All of the following
Cisco Rv345p Firmware<=1.0.03.24
Cisco RV345P

Event History

Feb 10, 2022
CVE Published
via MITRE·05:06 PM
Data Sourced
via MITRE·05:06 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 22, 2022
Advisory Published
via ZDI·12:00 AM
Data Sourced
via ZDI·12:00 AM
DescriptionSeverityAffected Software
Mar 3, 2022
Known Exploited
via CISA·12:00 AM
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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

The vulnerability ID is CVE-2022-20699.

2

What is the severity rating of CVE-2022-20699?

The severity rating of CVE-2022-20699 is critical.

3

What is the affected software for CVE-2022-20699?

The affected software for CVE-2022-20699 includes Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers, as well as Cisco RV340, Cisco Rv340 Firmware version up to and including 1.0.03.24, Cisco Rv340w Firmware version up to and including 1.0.03.24, Cisco Rv345 Firmware version up to and including 1.0.03.24, and Cisco Rv345p Firmware version up to and including 1.0.03.24.

4

How can this vulnerability be exploited?

This vulnerability can be exploited by remote attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability.

5

Is authentication required to exploit CVE-2022-20699?

No, authentication is not required to exploit CVE-2022-20699.

Contact

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