CVE-2026-24640

🔶 medium

Summary

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

EPSS Score

0.0

Exploit Probability

Published Date

2026-03-10

First Seen: 2026-03-11

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 48.0% of all 328,009 vulnerabilities in our database.

#170,402

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Mar 10, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-03-12

Source NVD 🔗

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

CWE IDs (Weakness Types)

CWE-121 CWE-787

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
fortinet	fortiweb	Affected	> 7.0.2 < 7.0.12
fortinet	fortiweb	Affected	> 7.2.0 < 7.6.7
fortinet	fortiweb	Affected	> 8.0.0 < 8.0.3

🔗 References 1

https://fortiguard.fortinet.com/psirt/FG-IR-26-087

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-39811	🔶 medium	4.9	0.1	A integer overflow or wraparound vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, F...	2026-04-14
CVE-2026-39814	🔶 medium	6.7	0.0	A relative path traversal vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb...	2026-04-14
CVE-2026-40688	⚠️ high	7.2	0.2	An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 th...	2026-04-14
CVE-2025-48840	🔶 medium	5.3	0.1	An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4....	2026-03-10
CVE-2025-66178	⚠️ high	7.2	0.0	A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet F...	2026-03-10
CVE-2026-24017	⚠️ high	8.1	0.1	An Improper Control of Interaction Frequency vulnerability [CWE-799] vulnerability in Fortinet FortiWeb 8.0.0 through 8....	2026-03-10

These CVEs affect the same products