CVE-2025-58413

A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.…

Severity: High7.5CVSS 3.1, High
EPSS: 0.32%
Published: 18 Nov 2025
Updated: 11 Aug 2026

Description

Title, description and vendor guidance are quoted from the source records.

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, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiSASE 25.3.b allows attacker to execute unauthorized code or commands via specially crafted packets

Weakness: CWE-121, CWE-787

Known exploited

Not listed in CISA KEV as of the last check.

Exploit prediction

0.32% probability of exploitation in the next 30 days (percentile 22%).

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

What the source states, per branch

Versions matched by Patcharo

Fortinet FortiOSSource: Fortinet (CVE record)

Branch	Affected	Fixed in
7.6	7.6.0 – 7.6.3	Fixed after 7.6.3
7.4	7.4.0 – 7.4.8	Fixed after 7.4.8
7.2	7.2.0 – 7.2.12	Fixed after 7.2.12
7.0	7.0.0 – 7.0.18	Fixed after 7.0.18
6.4	6.4.0 – 6.4.16	Fixed after 6.4.16
6.2	6.2.0 – 6.2.17	Fixed after 6.2.17
6.0	6.0.0 – 6.0.18	Fixed after 6.0.18

Versions not listed are stated unaffected by the vendor.

Affected products

Fortinet FortiSASE · 25.3.b

Workaround / Vendor remediation

Vendor remediation · FortiOS

Upgrade to FortiOS version 7.6.4 or above Upgrade to FortiOS version 7.4.9 or above Fortinet remediated this issue in FortiSASE version 25.3.c and hence customers do not need to perform any action.

References

Provenance

Every fact on this page comes from the sources below. Nothing is written by an AI.

Fortinet (CVE record): Fortinet (CVE record) · 27 Sept 2026, 23:46 UTC · Parser patcharo-cve5/1.1.0
NVD: NVD · 27 Sept 2026, 23:44 UTC · Parser patcharo-nvd/1.0.0
FIRST EPSS: FIRST EPSS · 27 Sept 2026, 23:46 UTC · Parser patcharo-epss/1.0.0

Last verified: 28 Sept 2026, 02:31 UTC