CVE-2020-3331CWE-119

Cisco RV110W and RV215W Series Routers Arbitrary Code Execution Vulnerability

Critical · published July 16, 2020

CVSS v3.0
9.8
EPSS
42%
Percentile
98.7
In the wild
Unconfirmed
What it is

🚨 An unauthenticated attacker could slip right into your Cisco device and gain full control! 🔥 This vulnerability is like a restaurant with a malfunctioning entrance system; anyone can waltz in without a reservation and head straight to the kitchen, ready to wreak havoc. The web-based management interface simply doesn’t validate who’s coming in, leaving the door wide open! If exploited, an attacker could execute arbitrary code with root privileges, essentially turning your device into their playground. They could access sensitive data, modify system settings, or even launch attacks on your network. The potential for damage is absolutely devastating!

Put simply

This vulnerability is like a restaurant with a malfunctioning entrance system; anyone can waltz in without a reservation and head straight to the kitchen, ready to wreak havoc. The web-based management interface simply doesn’t validate who’s coming in, leaving the door wide open! This critical vulnerability stems from improper validation of user-supplied input data within the web-based management interface of the Cisco RV110W Wireless-N VPN Firewall and RV215W Wireless-N VPN Router. By sending crafted requests, an attacker can gain unauthorized access and execute commands remotely.

What to do

If exploited, an attacker could execute arbitrary code with root privileges, essentially turning your device into their playground. They could access sensitive data, modify system settings, or even launch attacks on your network. The potential for damage is absolutely devastating! To protect your network, patch to the latest firmware version immediately. Disable access to the web interface from the internet if you can, and ensure that only trusted users have access. Regularly audit your device's configurations and permissions to ensure security best practices are followed. You've got this! Follow these steps and you’ll secure your Cisco devices in no time! 🛡️

The record
Technical detail
CVSS v3.0
9.8 · CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.41700 · 98.7th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2020-07-16T17:20Z
EPSS history
Timeline
  • 16 JUL 17:20Z
    Cisco RV110W and RV215W Series Routers Arbitrary Code Execution Vulnerability
    cvelistv5