CVE-2021-26112

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CVSS 3.1

9.8 critical

EPSS

2%p76

Published

Apr 6, 2022 (Apr 6, 2022)

Modified

Jun 17, 2026

Description

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.

Vendors: fortinet
Products: fortiwan
Weakness: CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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