CVE-2022-20825CWE-121

Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerability

Critical · published June 15, 2022

CVSS v3.1
9.8
EPSS
3%
Percentile
88.4
In the wild
Unconfirmed
What it is

🚨 A sneaky flaw in Cisco routers could let an unauthenticated attacker waltz right in and execute arbitrary code with root privileges! 🔥 Think of this vulnerability as a hotel with a faulty front desk; if the receptionist doesn’t check IDs properly, anyone could walk in and access the rooms — or in this case, the router's management interface. An attacker could trigger unexpected reboots or take full control of the router, leading to a denial of service that could knock your network offline. This is not just an inconvenience; it’s a potential gateway for further attacks or data breaches!

Put simply

Think of this vulnerability as a hotel with a faulty front desk; if the receptionist doesn’t check IDs properly, anyone could walk in and access the rooms — or in this case, the router's management interface. This vulnerability arises from insufficient validation of incoming HTTP packets to the web-based management interface, allowing crafted requests to execute arbitrary commands on affected routers.

What to do

An attacker could trigger unexpected reboots or take full control of the router, leading to a denial of service that could knock your network offline. This is not just an inconvenience; it’s a potential gateway for further attacks or data breaches! Check for any interim patches or workarounds provided by Cisco. For now, consider access control measures to limit exposure to the management interface and monitor network traffic for suspicious activity until a fix is available. Stay alert! You've got this! With vigilance and swift action, you can protect your network from becoming a victim. 🛡️

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
0.03281 · 88.4th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2022-06-15T17:55Z
EPSS history
Timeline
  • 15 JUN 17:55Z
    Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Remote Command Execution and Denial of Service Vulnerability
    cvelistv5