critical
10
CWE
787 121
Advisory Published
Advisory Published
Updated

CVE-2022-20704: (Pwn2Own) Cisco RV340 Firmware Update Improper Certificate Validation Remote Code Execution Vulnerability

First published: Thu Feb 10 2022(Updated: )

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco RV340
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
Cisco Rv160 Firmware<=1.0.01.05
Cisco Rv160
Cisco Rv160w Firmware<=1.0.01.05
Cisco Rv160w
Cisco Rv260 Firmware<=1.0.01.05
Cisco Rv260
Cisco Rv260p Firmware<=1.0.01.05
Cisco Rv260p
Cisco Rv260w Firmware<=1.0.01.05
Cisco Rv260w

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Reference Links

Frequently Asked Questions

  • What is CVE-2022-20704?

    CVE-2022-20704 is a vulnerability that allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers.

  • How can this vulnerability be exploited?

    An administrator must perform a firmware update on the device for this vulnerability to be exploited.

  • What is the severity of CVE-2022-20704?

    CVE-2022-20704 has a severity value of 7.1, which is considered critical.

  • Which software versions are affected by CVE-2022-20704?

    Cisco RV340 Firmware versions up to and including 1.0.03.24 are affected by CVE-2022-20704.

  • How can I fix CVE-2022-20704?

    To fix CVE-2022-20704, users should update their Cisco RV340 routers to a version higher than 1.0.03.24.

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