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Unrated severityNVD Advisory· Published Nov 18, 2025· Updated Feb 26, 2026

CVE-2025-53843

CVE-2025-53843

Description

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets

Affected products

2
  • Fortinet/Fortiosv52 versions
    cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*range: 7.6.0
    • (no CPE)range: 7.6.0-7.6.3, 7.4.0-7.4.8, 7.2 all, 7.0 all, 6.4 all

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

1

News mentions

0

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