CVE-2021-1292CWE-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
4%
Percentile
90.9
In the wild
Unconfirmed
What it is

🚨 A crafted HTTP request is all it takes for an attacker to potentially seize control of your Cisco VPN router! 🔥 Think of it like a dinner invitation that allows a stranger to sneak into your kitchen unnoticed and start messing with your recipes—this vulnerability lets attackers execute arbitrary code with no authentication checks in place. If exploited, an attacker could gain root access to the router, allowing them to change configurations, intercept traffic, or even launch attacks on your network. This could lead to a devastating compromise of sensitive data and network integrity—absolutely catastrophic!

Put simply

Think of it like a dinner invitation that allows a stranger to sneak into your kitchen unnoticed and start messing with your recipes—this vulnerability lets attackers execute arbitrary code with no authentication checks in place. The vulnerabilities stem from improper validation of HTTP requests in the web-based management interface of Cisco Small Business RV160, RV260, and their variants, enabling remote attackers to execute arbitrary code as the root user on affected devices.

What to do

If exploited, an attacker could gain root access to the router, allowing them to change configurations, intercept traffic, or even launch attacks on your network. This could lead to a devastating compromise of sensitive data and network integrity—absolutely catastrophic! Immediately patch your devices with the latest firmware updates from Cisco. Ensure that HTTP requests to the management interface are properly validated, and consider disabling remote management features if not in use. Regularly audit your network for any unauthorized access attempts. You've got this! Follow these steps to safeguard your network and keep those cyber villains at bay! 🛡️

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
0.04180 · 90.9th 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