CVE-2022-20700: Cisco Small Business RV Series Routers Stack-based Buffer Overflow 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 ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 | ||
| All of | ||
| Cisco Rv340 Firmware | <=1.0.03.24 | |
| Cisco RV340 | ||
| All of | ||
| Cisco Rv340w Firmware | <=1.0.03.24 | |
| Cisco Rv340w | ||
| All of | ||
| Cisco Rv345 Firmware | <=1.0.03.24 | |
| Cisco Rv345 | ||
| All of | ||
| Cisco Rv345p Firmware | <=1.0.03.24 | |
| Cisco Rv345p | ||
| All of | ||
| Cisco Rv160 Firmware | <=1.0.01.05 | |
| Cisco Rv160 | ||
| All of | ||
| Cisco Rv160w Firmware | <=1.0.01.05 | |
| Cisco Rv160w | ||
| All of | ||
| Cisco Rv260 Firmware | <=1.0.01.05 | |
| Cisco Rv260 | ||
| All of | ||
| Cisco Rv260p Firmware | <=1.0.01.05 | |
| Cisco Rv260p | ||
| All of | ||
| Cisco Rv260w Firmware | <=1.0.01.05 | |
| Cisco Rv260w | ||
| Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers | ||
| All of | ||
| <=1.0.03.24 | ||
| All of | ||
| <=1.0.03.24 | ||
| All of | ||
| <=1.0.03.24 | ||
| All of | ||
| <=1.0.03.24 | ||
| All of | ||
| <=1.0.01.05 | ||
| All of | ||
| <=1.0.01.05 | ||
| All of | ||
| <=1.0.01.05 | ||
| All of | ||
| <=1.0.01.05 | ||
| All of | ||
| <=1.0.01.05 | ||
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Reference Links
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).
- collector/nvd-index
- agent/weakness
- agent/type
- agent/description
- agent/title
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/author
- agent/severity
- exploited/true
- collector/cisa-known-exploited
- source/CISA
- agent/references
- agent/softwarecombine
- agent/tags
- collector/mitre-cve
- source/MITRE
- agent/first-publish-date
- agent/event
- collector/nvd-cve
- agent/last-modified-date
- agent/trending
- vendor/cisco
- canonical/cisco rv340 firmware
- version/cisco rv340 firmware/1.0.03.24
- canonical/cisco rv340
- canonical/cisco rv340w firmware
- version/cisco rv340w firmware/1.0.03.24
- canonical/cisco rv340w
- canonical/cisco rv345 firmware
- version/cisco rv345 firmware/1.0.03.24
- canonical/cisco rv345
- canonical/cisco rv345p firmware
- version/cisco rv345p firmware/1.0.03.24
- canonical/cisco rv345p
- canonical/cisco rv160 firmware
- version/cisco rv160 firmware/1.0.01.05
- canonical/cisco rv160
- canonical/cisco rv160w firmware
- version/cisco rv160w firmware/1.0.01.05
- canonical/cisco rv160w
- canonical/cisco rv260 firmware
- version/cisco rv260 firmware/1.0.01.05
- canonical/cisco rv260
- canonical/cisco rv260p firmware
- version/cisco rv260p firmware/1.0.01.05
- canonical/cisco rv260p
- canonical/cisco rv260w firmware
- version/cisco rv260w firmware/1.0.01.05
- canonical/cisco rv260w
- canonical/cisco small business rv160, rv260, rv340, and rv345 series routers