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 Software | Affected Version | How to fix |
|---|---|---|
| Cisco RV340W Firmware | ||
| Cisco RV340W Firmware | <=1.0.03.24 | |
| Cisco RV340W Firmware | ||
| Cisco RV340W Firmware | <=1.0.03.24 | |
| Cisco RV340W Firmware | ||
| Cisco RV345 Firmware | <=1.0.03.24 | |
| Cisco RV345P Firmware | ||
| Cisco RV345P Dual WAN Gigabit PoE VPN Router Firmware | <=1.0.03.24 | |
| Cisco RV345P Firmware | ||
| Cisco RV160W Firmware | <=1.0.01.05 | |
| Cisco RV160W Firmware | ||
| Cisco RV160W Firmware | <=1.0.01.05 | |
| Cisco RV160W Firmware | ||
| Cisco RV260 VPN Router firmware | <=1.0.01.05 | |
| Cisco RV260W | ||
| Cisco RV260 Firmware | <=1.0.01.05 | |
| Cisco RV260P VPN Router with PoE | ||
| Cisco RV260 Firmware | <=1.0.01.05 | |
| Cisco RV260W Firmware |
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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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- source/ZDI
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- canonical/cisco rv340w firmware
- version/cisco rv340w firmware/1.0.03.24
- canonical/cisco rv345 firmware
- version/cisco rv345 firmware/1.0.03.24
- canonical/cisco rv345p firmware
- canonical/cisco rv345p dual wan gigabit poe vpn router firmware
- version/cisco rv345p dual wan gigabit poe vpn router firmware/1.0.03.24
- canonical/cisco rv160w firmware
- version/cisco rv160w firmware/1.0.01.05
- canonical/cisco rv260 vpn router firmware
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- canonical/cisco rv260w
- canonical/cisco rv260 firmware
- version/cisco rv260 firmware/1.0.01.05
- canonical/cisco rv260p vpn router with poe
- canonical/cisco rv260w firmware