CVE-2021-26093 Null dereference in FortiWLC

What is CVE-2021-26093?

CVE-2021-26093 is a medium-severity vulnerability in Fortinet FortiWLC, published on 19 Dec 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-824

Which versions are affected by CVE-2021-26093?

It affects 1 product.

Products include Fortinet Fortiwlc.

How do I fix CVE-2021-26093?

No fix has been published for CVE-2021-26093 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-26093 being exploited?

There is no known exploitation of CVE-2021-26093 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiWLC

• CVE-2017-17539 Hardcoded credentials in FortiWLC Critical 9.8
• CVE-2017-17540 Hardcoded credentials in FortiWLC Critical 9.8
• CVE-2016-7560 Hardcoded credentials in n/a Critical 9.8
• CVE-2016-8491 Hardcoded credentials in Fortinet FortiWLC Critical 9.1
• CVE-2021-42758 Privilege escalation in Fortinet FortiWLC High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mx92-m8m9-32fq.