GCVE-110-NCSC-2026-15

Advisory PublishedCVSS 8.1/10

Vulnetix · Advisory published January 15, 2026

A heap-based buffer overflow vulnerability in Fortinet FortiOS, FortiSASE, and FortiSwitchManager allows remote attackers to execute unauthorized code via specially crafted packets or requests.

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Weaknesses (CWE)

CWE-122Heap-based Buffer Overflow

Risk Scores

CVSS 3.1

8.1/10

High · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
Fortinet	vers:unknown/*	—	—

Aliases

CVE-2025-25249

References

advisory

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