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MEDIUM · 6.6

CVE-2026-24640

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiW...

Vulnerability Description

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0.2 through 7.0.12 may allow a remote authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.

CVSS Score

6.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
FortinetFortiweb>= 7.0.2, <= 7.0.12

Related Weaknesses (CWE)

CWE-121CWE-787

References

FAQ

What is CVE-2026-24640?

CVE-2026-24640 is a vulnerability with a CVSS score of 6.6 (MEDIUM). A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiW...

How severe is CVE-2026-24640?

CVE-2026-24640 has been rated MEDIUM with a CVSS base score of 6.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-24640?

Check the references section above for vendor advisories and patch information. Affected products include: Fortinet Fortiweb.