CVE-2021-46442

In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as…

published April 27, 2022

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.0th percentile for exploit probability.

CVSS
—
EPSS
56%
Percentile
99.0
In the wild
Unconfirmed
What it is

⚠️ Attention, D-Link users! A sneaky vulnerability in the 'webupg' binary of the DIR-825 G1 lets attackers waltz past authentication hurdles like they're on an express elevator. 🚀 Think of it like a hotel where the receptionist gives anyone who asks the keys to your room without checking IDs. Just like that guest could rummage through your belongings, an attacker can access sensitive functions with ease. This vulnerability could lead to an attacker downloading your configuration files or even updating the firmware, potentially turning your trusted device into a security risk. It’s like handing over the remote to a mischievous guest at a party; they can change the channel to whatever chaos they prefer!

Put simply

Think of it like a hotel where the receptionist gives anyone who asks the keys to your room without checking IDs. Just like that guest could rummage through your belongings, an attacker can access sensitive functions with ease. The issue arises from a lack of proper authentication checks on the 'autoupgrade.asp' parameters within the D-Link DIR-825 G1's web interface, allowing unauthorized actions that should be restricted.

What to do

This vulnerability could lead to an attacker downloading your configuration files or even updating the firmware, potentially turning your trusted device into a security risk. It’s like handing over the remote to a mischievous guest at a party; they can change the channel to whatever chaos they prefer! To safeguard against this vulnerability, review your device configuration, check for any firmware updates, and consider changing admin credentials if you haven't already. It's wise to monitor any unauthorized access attempts and restrict external access to the device. You've got this! Take these steps to keep your D-Link router secure and maintain your hero status in the fight for internet safety! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.56060 · 99.0th percentile
Published
2022-04-27T10:10Z
EPSS history
Timeline
  • 27 APR 10:10Z
    In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as…
    cvelistv5