Vulnerabilities > CVE-2021-26112 - Out-of-bounds Write vulnerability in Fortinet Fortiwan

CVSS 9.8 - CRITICAL

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

HIGH

Integrity impact

HIGH

Availability impact

HIGH

network

low complexity

fortinet

CWE-787

critical

NVD

Published: 2022-04-06

Updated: 2022-04-13

Summary

Multiple stack-based buffer overflow vulnerabilities [CWE-121] both in network daemons and in the command line interpreter of FortiWAN before 4.5.9 may allow an unauthenticated attacker to potentially corrupt control data in memory and execute arbitrary code via specifically crafted requests.

Vulnerable Configurations

Part	Description	Count
Application	Fortinet Fortinet Fortiwan - Fortinet Fortiwan 4.1.1 Fortinet Fortiwan 4.1.2 Fortinet Fortiwan 4.1.3 Fortinet Fortiwan 4.2.1 Fortinet Fortiwan 4.2.2 Fortinet Fortiwan 4.2.4 Fortinet Fortiwan 4.2.5 Fortinet Fortiwan 4.2.6 Fortinet Fortiwan 4.2.7 Fortinet Fortiwan 4.3.0 Fortinet Fortiwan 4.3.1 Fortinet Fortiwan 4.4.0 Fortinet Fortiwan 4.4.1 Fortinet Fortiwan 4.5.0 Fortinet Fortiwan 4.5.1 Fortinet Fortiwan 4.5.2 Fortinet Fortiwan 4.5.3 Fortinet Fortiwan 4.5.4 Fortinet Fortiwan 4.5.5 Fortinet Fortiwan 4.5.6 Fortinet Fortiwan 4.5.7 Fortinet Fortiwan 4.5.8	23

Common Weakness Enumeration (CWE)

CWE-787 - Out-of-bounds Write

References

https://fortiguard.com/psirt/FG-IR-21-065