CVE-2021-22126

Published Mar 17, 2025 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiWLC

unaffected

Version	Status	Constraints
`8.5.0`	affected	≤ 8.5.2
`8.4.4`	affected	≤ 8.4.8
`8.4.0`	affected	≤ 8.4.2
`8.3.2`	affected	≤ 8.3.3
`8.2.6`	affected	≤ 8.2.7

Configuration 1 [-]

OR	cpe:2.3:a:fortinet:fortiwlc::::::::
	cpe:2.3:a:fortinet:fortiwlc:8.2.6:::::::*
	cpe:2.3:a:fortinet:fortiwlc:8.2.7:::::::*
	cpe:2.3:a:fortinet:fortiwlc:8.3.2:::::::*
	cpe:2.3:a:fortinet:fortiwlc:8.3.3:::::::*

No data.

No data available yet.

Remediation

Vendor Solution

Please upgrade to FortiWLC versions 8.6.0 or above. Please upgrade to FortiWLC versions 8.5.3 or above.

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2021-9282	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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.161% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-20-147

History

Jul 24, 2025 8:30 PM Weaknesses updated. Affected versions updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-798
CPEs		cpe:2.3:a:fortinet:fortiwlc::::::::

Mar 17, 2025 2:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Mar 17, 2025 1:30 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		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.
First Time appeared		Fortinet Fortinet fortiwlc
Weaknesses		CWE-284
CPEs		cpe:2.3:a:fortinet:fortiwlc:8.2.6:::::::* cpe:2.3:a:fortinet:fortiwlc:8.2.7:::::::* cpe:2.3:a:fortinet:fortiwlc:8.3.2:::::::* cpe:2.3:a:fortinet:fortiwlc:8.3.3:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.0:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.1:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.2:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.4:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.5:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.6:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.7:::::::* cpe:2.3:a:fortinet:fortiwlc:8.4.8:::::::* cpe:2.3:a:fortinet:fortiwlc:8.5.0:::::::* cpe:2.3:a:fortinet:fortiwlc:8.5.1:::::::* cpe:2.3:a:fortinet:fortiwlc:8.5.2:::::::*
Vendors & Products		Fortinet Fortinet fortiwlc
References		https://fortiguard.fortinet.com/psirt/FG-IR-20-147
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:X/RC:X'}`