CVE-2018-0426: Cisco RV110W, RV130W, and RV215W Routers Management Interface Directory Traversal Vulnerability

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 6.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-05 · updated 2026-06-17
Weakness: CWE-22

Description

A vulnerability 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 could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper validation of directory traversal character sequences within the web-based management interface. An attacker could exploit this vulnerability by sending malicious requests to the targeted device. A successful exploit could allow the attacker to gain access to arbitrary files on the affected device, resulting in the disclosure of sensitive information.

Affected products

Cisco Rv110W Firmware: through 1.2.1.7
Cisco Rv130W Firmware: before 1.0.3.44 — fixed in 1.0.3.44
Cisco Rv215W Firmware: through 1.3.0.8

How to fix

Upgrade to a fixed version: Cisco Rv130W Firmware 1.0.3.44. Check the vendor advisory for mitigations.

References

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