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CVE-2021-26093

MEDIUM
6.5
CVSS Score
Published: December 19, 2024 at 07:47 AM UTC
Updated: June 17, 2026 at 03:42 AM UTC
1 product affected across 1 vendorFortiWLC

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

An access of uninitialized pointer (CWE-824) vulnerability in FortiWLC versions 8.6.0, 8.5.3 and earlier may allow a local and authenticated attacker to crash the access point being managed by the controller by executing a crafted CLI command.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiWLC· Fortinet
95%
8.0.6 ≤ v < 8.6.38.1.2 ≤ v ≤ 8.1.38.2.4 ≤ v ≤ 8.2.78.3.0 ≤ v ≤ 8.3.38.4.0 ≤ v ≤ 8.4.28.4.4 ≤ v ≤ 8.4.88.5.0 ≤ v ≤ 8.5.38.0.68.1.28.1.38.2.48.2.58.2.68.2.78.3.08.3.18.3.28.3.38.4.08.4.18.4.28.4.48.4.58.4.68.4.78.4.88.5.08.5.18.5.28.5.38.6.0
Affected range stops below 8.6.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://fortiguard.com/psirt/FG-IR-21-002

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-824

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