Remote code execution in Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers

1) Input validation error

EUVDB-ID: #VU71098

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-20007

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to compromise the affected device.

The vulnerability exists due to insufficient validation of user-supplied input in the web-based management interface. A remote privileged user can send a specially crafted HTTP request and execute arbitrary code or perform a denial of service attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Cisco RV340 Dual WAN Gigabit VPN Router: before 1.0.03.29

Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router: before 1.0.03.29

Cisco RV345 Dual WAN Gigabit VPN Router: before 1.0.03.29

Cisco RV345P Dual WAN Gigabit VPN Router: before 1.0.03.29

External links

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-rcedos-7HjP74jD
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCwc84443

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.