CVE-2022-20749CWE-121

Cisco Small Business RV Series Routers Vulnerabilities

Critical · published February 10, 2022

CVSS v3.1
10.0
EPSS
4%
Percentile
90.5
In the wild
Unconfirmed
What it is

🚨 Multiple vulnerabilities in Cisco's Small Business routers could turn your network into an open playground for attackers! 🔥 Think of these routers as the bouncers at a nightclub. If they don’t check IDs properly, anyone can sneak in, order a drink, and take over the dance floor! An attacker could execute arbitrary code, elevate privileges, and cause a denial of service, potentially bringing your entire network to its knees. The implications are absolutely devastating — unauthorized access could lead to data theft, service outages, or even complete control over your network devices.

Put simply

Think of these routers as the bouncers at a nightclub. If they don’t check IDs properly, anyone can sneak in, order a drink, and take over the dance floor! This set of vulnerabilities allows attackers to bypass authentication and execute arbitrary commands on Cisco RV160, RV260, RV340, and RV345 Series Routers, effectively compromising the integrity and availability of the device.

What to do

An attacker could execute arbitrary code, elevate privileges, and cause a denial of service, potentially bringing your entire network to its knees. The implications are absolutely devastating — unauthorized access could lead to data theft, service outages, or even complete control over your network devices. Immediately patch your systems to the latest firmware version released by Cisco. Ensure these devices are not exposed to untrusted networks and consider tightening your network's perimeter security as a precaution. You can tackle this! By following these steps, you’ll keep your network safe and sound. 🛡️

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
0.04008 · 90.5th 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