CVE-2021-20697

Missing authentication for critical function in DAP-1880AC firmware version 1.21 and earlier allows a remote attacker to login to the device as an…

published April 26, 2021

CVSS
—
EPSS
2%
Percentile
77.1
In the wild
Unconfirmed
What it is

⚠️ A remote attacker can log in as an authenticated user without any needed privileges! This vulnerability in DAP-1880AC firmware versions 1.21 and earlier is like giving away keys to a house without checking who’s at the door. 🔑 Think of it like a hotel where the front desk forgets to check IDs before handing out room keys — anyone could just walk in and act like they belong. This vulnerability allows attackers to bypass authentication completely, as if there’s no door policy at all! An attacker could gain unauthorized access to your device, potentially allowing them to manipulate configurations, monitor traffic, or disrupt services. It's a surprising chance for malicious activity that could compromise your network security!

Put simply

Think of it like a hotel where the front desk forgets to check IDs before handing out room keys — anyone could just walk in and act like they belong. This vulnerability allows attackers to bypass authentication completely, as if there’s no door policy at all! This vulnerability arises due to missing authentication checks for critical functions in the DAP-1880AC firmware, allowing attackers to exploit unspecified vectors and log in as a legitimate user without proper credentials.

What to do

An attacker could gain unauthorized access to your device, potentially allowing them to manipulate configurations, monitor traffic, or disrupt services. It's a surprising chance for malicious activity that could compromise your network security! To mitigate this risk, upgrade the firmware to the latest version that addresses this vulnerability. Regularly audit your device settings to ensure proper security configurations are in place, and consider implementing additional network segmentation as extra protection. You've got this! By following these steps, you can safeguard your device and keep your network secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01706 · 77.1th percentile
Published
2021-04-26T00:20Z
EPSS history
Timeline
  • 26 APR 00:20Z
    Missing authentication for critical function in DAP-1880AC firmware version 1.21 and earlier allows a remote attacker to login to the device as an…
    cvelistv5