Advisory Details

August 4th, 2022

Cisco RV340 wfapp Command Injection Remote Code Execution Vulnerability

CVE ID	CVE-2022-20827
CVSS SCORE	8.8, AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Cisco
AFFECTED PRODUCTS	RV340
VULNERABILITY DETAILS	This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the wfapp application. A crafted server response can trigger execution of a system call composed from a attacker-supplied string. An attacker can leverage this vulnerability to execute code in the context of root.
ADDITIONAL DETAILS	Cisco has issued an update to correct this vulnerability. More details can be found at: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
DISCLOSURE TIMELINE	2022-04-13 - Vulnerability reported to vendor 2022-08-04 - Coordinated public release of advisory
CREDIT	Q. Kaiser from IoT Inspector Research Lab

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