cisco-sa-smb-rv-cmd-inj-8Pv9JMJD: Cisco Small Business RV Series Routers Command Injection Vulnerabilities

Published May 4, 2022
·
Updated

Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV340 and RV345 Routers could allow an authenticated, remote attacker to inject and execute arbitrary commands on the underlying operating system of an affected device. These vulnerabilities are due to insufficient validation of user-supplied input. An attacker could exploit these vulnerabilities by sending malicious input to an affected device. A successful exploit could allow the attacker to execute arbitrary commands on the underlying Linux operating system of the affected device. To exploit these vulnerabilities, an attacker would need to have valid Administrator credentials on the affected device. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-rv-cmd-inj-8Pv9JMJD

Credit

CVE-2022-20799: dcmtruman, N1K0_., CVE-2022-20801: b0ldfrev.XinshunYang(DBAPPSecurity), an anonymous researcher(Trend Micro Zero Day Initiative for independently reporting this vulnerability)

Affected Software

1 affected componentFixes available
Cisco Small Business Router Firmware=1.0.03.26 and earlier, <1.0.03.27
1.0.03.27

Event History

May 4, 2022
Advisory Published
via Cisco·04:00 PM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD?

The severity of Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD is high due to the potential for remote code execution.

2

How do I fix Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD?

To fix Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD, upgrade to firmware version 1.0.03.28 or later.

3

Which products are affected by Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD?

Cisco Small Business RV340 and RV345 Routers running firmware version 1.0.03.26 and earlier are affected by Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD.

4

What types of attacks are possible due to Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD?

Authenticated, remote attackers can inject and execute arbitrary commands on the underlying operating system of affected devices due to Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD.

5

Who should be concerned about Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD?

Network administrators using the affected Cisco Small Business Routers should be concerned about Cisco security advisory cisco-sa-smb-rv-cmd-inj-8Pv9JMJD to prevent potential exploitation.

Contact

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