#VU14662 Path traversal in Cisco Systems, Inc products - CVE-2018-0426

Vulnerability identifier: #VU14662

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-0426

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RV215W Wireless-N VPN Router
Hardware solutions / Routers for home users
RV110W Wireless-N VPN Firewall
Hardware solutions / Routers for home users
RV130W Wireless-N Multifunction VPN Router
Hardware solutions / Routers for home users

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists in the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall, Cisco RV130W Wireless-N Multifunction VPN Router, and Cisco RV215W Wireless-N VPN Router due to improper validation of directory traversal character sequences. A remote attacker can send malicious requests to the targeted device, conduct path traversal attack and gain access to arbitrary files on the affected device.

Mitigation

Update Cisco RV130W Wireless-N Multifunction VPN Router to version 1.3.0.44.

For the Cisco RV110W Wireless-N VPN Firewall and the Cisco RV215W Wireless-N VPN Router, Cisco has not released and will not release firmware updates.

Vulnerable software versions

RV215W Wireless-N VPN Router: 1.3.0.8

RV110W Wireless-N VPN Firewall: 1.2.1.7

RV130W Wireless-N Multifunction VPN Router: 1.0.3.8

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External links
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180905-rv-routers-traversal

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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