CVE-2021-46454

D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetWLanApcliSettings

published February 4, 2022

CVSS
—
EPSS
4%
Percentile
91.3
In the wild
Unconfirmed
What it is

⚠️ A simple command injection vulnerability lurks in the D-Link DIR-823-Pro, allowing attackers to execute arbitrary commands just by manipulating a parameter! 🔥 Think of this like an unguarded hotel room where any guest with the right keycard can wander in and rearrange the furniture or worse—take whatever they like. In this case, that parameter is the keycard, and it could open a whole world of mischief! If exploited, an attacker could execute any command on the device, potentially leading to a full compromise of the router. This could allow them to alter configurations, intercept traffic, or even pivot to other devices on the network, making it quite a dangerous scenario!

Put simply

Think of this like an unguarded hotel room where any guest with the right keycard can wander in and rearrange the furniture or worse—take whatever they like. In this case, that parameter is the keycard, and it could open a whole world of mischief! The command injection vulnerability exists in the D-Link DIR-823-Pro v1.0.2 within the SetWLanApcliSettings function, where an attacker can manipulate the ApCliKeyStr parameter to run arbitrary commands on the device without proper validation.

What to do

If exploited, an attacker could execute any command on the device, potentially leading to a full compromise of the router. This could allow them to alter configurations, intercept traffic, or even pivot to other devices on the network, making it quite a dangerous scenario! To safeguard your network, ensure you update the firmware of your D-Link DIR-823-Pro to the latest version that addresses this vulnerability. Regularly review your configurations and consider implementing additional network security measures like firewalls to add a protective layer. 🛡️ You can handle this! Follow the remediation steps and you'll shore up your defenses in no time! 💪✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04403 · 91.3th percentile
Published
2022-02-04T01:33Z
EPSS history
Timeline
  • 04 FEB 01:33Z
    D-Link device D-Link DIR-823-Pro v1.0.2 was discovered to contain a command injection vulnerability in the function SetWLanApcliSettings
    cvelistv5