Use of Hard-Coded Password in FortiWLC 8.5.2 & Earlier (Local Auth Root Access)
CVE-2021-22126 Published on March 17, 2025

A use of hard-coded password vulnerability in FortiWLC version 8.5.2 and below, version 8.4.8 and below, version 8.3.3 to 8.3.2, version 8.2.7 to 8.2.6 may allow a local, authenticated attacker to connect to the managed Access Point (Meru AP and FortiAP-U) as root using the default hard-coded username and password.

NVD

Vulnerability Analysis

CVE-2021-22126 is exploitable with local system access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an Authorization Vulnerability?

The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

CVE-2021-22126 has been classified to as an Authorization vulnerability or weakness.


Products Associated with CVE-2021-22126

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-22126 are published in Fortinet Fortiwlc:

Fortinet Fortiwlc
 

Affected Versions

Fortinet FortiWLC:

Exploit Probability

EPSS
0.03%
Percentile
6.78%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.