CVE-2018-0125KEV · OVERDUECWE-20

Cisco VPN Routers Remote Code Execution Vulnerability

Critical · published February 8, 2018

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.0th percentile for exploit probability.

1652
days past CISA
deadline
CVSS v3.1
9.8
EPSS
55%
Percentile
99.0
In the wild
Confirmed
What it is

🚨 An unauthenticated HTTP request could open the door for an attacker to seize control of your Cisco router! 🔥 Think of this vulnerability like a sneaky burglar who finds an open window and can just stroll in without the homeowner ever knowing. With a simple crafted request, they're suddenly in command, akin to a rogue operator taking over a control panel without any security checks. If exploited, an attacker could execute arbitrary code as the root user, granting them full control over the affected system. This means they could change settings, intercept data, or even cause a total system meltdown, triggering a denial of service (DoS) condition that leaves your network in shambles! Absolutely devastating!

Put simply

Think of this vulnerability like a sneaky burglar who finds an open window and can just stroll in without the homeowner ever knowing. With a simple crafted request, they're suddenly in command, akin to a rogue operator taking over a control panel without any security checks. This vulnerability stems from incomplete input validation in the HTTP requests processed by the web interface of Cisco RV132W and RV134W routers, allowing an attacker to execute commands with root privileges remotely without authentication.

What to do

If exploited, an attacker could execute arbitrary code as the root user, granting them full control over the affected system. This means they could change settings, intercept data, or even cause a total system meltdown, triggering a denial of service (DoS) condition that leaves your network in shambles! Absolutely devastating! Immediate action is required: upgrade to firmware version 1.0.1.11 for your Cisco RV132W or RV134W routers to patch this vulnerability. Regularly review and tighten your router’s security settings to prevent unauthorized access. Don't wait—secure your network today! You've got this! Stay vigilant, patch that firmware, and keep your network safe! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.55186 · 99.0th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2018-02-08T07:00Z
KEV added
2022-03-25 · due 2022-04-15
EPSS history
Timeline
  • 25 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 15
    kev
  • 08 FEB 07:00Z
    A vulnerability in the web interface of the Cisco RV132W ADSL2+ Wireless-N VPN and RV134W VDSL2 Wireless-AC VPN Routers could allow an unauthenticated, remote…
    cvelistv5