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Critical severity9.8NVD Advisory· Published Dec 19, 2024· Updated Jun 17, 2026

CVE-2021-26102

CVE-2021-26102

Description

A relative path traversal vulnerability (CWE-23) in FortiWAN version 4.5.7 and below, 4.4 all versions may allow a remote non-authenticated attacker to delete files on the system by sending a crafted POST request. In particular, deleting specific configuration files will reset the Admin password to its default value.

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Affected products

3
  • Fortinet/Fortiwan3 versions
    cpe:2.3:a:fortinet:fortiwan:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:fortinet:fortiwan:*:*:*:*:*:*:*:*range: >=4.4.0,<4.5.8
    • (no CPE)range: <=4.5.7, =4.4
    • (no CPE)range: 4.5.0

Patches

Vulnerability mechanics

References

1

News mentions

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