CVE-2022-20702CWE-121

Cisco Small Business RV Series Routers Vulnerabilities

Critical · published February 10, 2022

CVSS v3.1
10.0
EPSS
5%
Percentile
91.6
In the wild
Unconfirmed
What it is

🚨 Multiple vulnerabilities in Cisco's Small Business routers are a hacker's dream! With a single exploit, they can execute arbitrary code and run riot in your network. 🔥 Think of it like a hotel with several unlocked doors — anyone could stroll in, change the locks, and even throw a party without anyone knowing. That's the level of access these vulnerabilities provide! An attacker could gain full control over your routers, allowing them to do everything from executing arbitrary commands to causing a full denial of service. Imagine your entire network going dark because a potential intruder decided to play with the controls — absolutely devastating!

Put simply

Think of it like a hotel with several unlocked doors — anyone could stroll in, change the locks, and even throw a party without anyone knowing. That's the level of access these vulnerabilities provide! This vulnerability allows attackers to bypass authentication and execute arbitrary code on affected Cisco routers, including the RV160, RV260, RV340, and RV345 series. This means they could run unsigned software or elevate their privileges and wreak havoc.

What to do

An attacker could gain full control over your routers, allowing them to do everything from executing arbitrary commands to causing a full denial of service. Imagine your entire network going dark because a potential intruder decided to play with the controls — absolutely devastating! Patch your routers immediately to the latest firmware version provided by Cisco. Regularly audit the settings and configurations to ensure no unauthorized changes have been made. Don't forget to enable robust security protocols in your network to limit potential breaches! You've got this! Secure your network with these steps, and you'll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.04598 · 91.6th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2022-02-10T17:06Z
EPSS history
Timeline
  • 10 FEB 17:06Z
    Cisco Small Business RV Series Routers Vulnerabilities
    cvelistv5