CVE-2021-1293CWE-472

Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution Vulnerabilities

Critical · published February 4, 2021

CVSS v3.1
9.8
EPSS
5%
Percentile
92.7
In the wild
Unconfirmed
What it is

🚨 A crafty HTTP request could let an attacker gain root access to your Cisco RV160 or RV260 router! This means total control, without even needing to log in! 🔥 Think of it like a hotel where the front desk has no check-in process. An attacker walks in, claims to be a guest, and can access any room, change bookings, or even steal valuables without anyone batting an eye! If exploited, this vulnerability would be absolutely devastating! An attacker could execute arbitrary code, allowing them to take over the router, intercept traffic, and potentially launch attacks on your entire network. Your sensitive data could be at risk!

Put simply

Think of it like a hotel where the front desk has no check-in process. An attacker walks in, claims to be a guest, and can access any room, change bookings, or even steal valuables without anyone batting an eye! Multiple vulnerabilities in the web-based management interface of Cisco RV160, RV160W, RV260, RV260P, and RV260W VPN routers occur because HTTP requests are not properly validated, enabling attackers to send crafted requests that lead to remote code execution as the root user.

What to do

If exploited, this vulnerability would be absolutely devastating! An attacker could execute arbitrary code, allowing them to take over the router, intercept traffic, and potentially launch attacks on your entire network. Your sensitive data could be at risk! To protect your devices, update to the latest firmware version provided by Cisco immediately. Ensure that the web management interface is only accessible from trusted networks and consider implementing additional security measures like firewalls or VPNs. Don't leave this open! You've got this! Secure your routers today, and keep your network safe from threats! 🛡️

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
0.05421 · 92.7th percentile
Weakness
CWE-472 · External Control of Assumed-Immutable Web Parameter
Published
2021-02-04T16:56Z
EPSS history
Timeline
  • 04 FEB 16:56Z
    Cisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution Vulnerabilities
    cvelistv5