CVE-2026-24640
published 2026-03-10CVE-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…
PriorityP345medium6.6CVSS 3.1
AVNACHPRHUINSUCHIHAH
EPSS
0.63%
46.0th percentile
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.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| fortinet | fortinet | — | — |
| fortinet | fortiweb | — | — |
| fortinet | fortiweb | 7.0.2 – 7.0.12 | — |
| fortinet | fortiweb | >= 7.2.0 < 7.6.7 | 7.6.7 |
| fortinet | fortiweb | 7.2.0 – 7.2.12 | — |
| fortinet | fortiweb | 7.4.0 – 7.4.12 | — |
| fortinet | fortiweb | 7.6.0 – 7.6.6 | — |
| fortinet | fortiweb | >= 8.0.0 < 8.0.3 | 8.0.3 |
| fortinet | fortiweb | 8.0.0 – 8.0.2 | — |
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Fortinet
Stack-based Buffer Overflow in API protection
vendor_fortinet·2026-03-10·CVSS 6.6
CVE-2026-24640 [MEDIUM] CWE-121 Stack-based Buffer Overflow in API protection
FG-IR-26-087: Stack-based Buffer Overflow in API protection
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.
CVEs: CVE-2026-24640
CWEs: CWE-121, CWE-787
CVSS: 6.6 (medium)
Affected products: FortiWeb, Fortinet
GHSA
GHSA-849p-548g-9rj3: A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8
ghsa_unreviewed·2026-03-10
CVE-2026-24640 [MEDIUM] CWE-121 GHSA-849p-548g-9rj3: A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8
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.
No detection rules found.
No public exploits indexed.
Wiz
CVE-2026-24017 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.2
CVE-2026-24017 [HIGH] CVE-2026-24017 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-24017 :
Fortinet FortiWeb vulnerability analysis and mitigation
An Improper Control of Interaction Frequency vulnerability [CWE-799] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow a remote unauthenticated attacker to bypass the authentication rate-limit via crafted requests. The success of the attack depends on the attacker's resources and the password target complexity.
Source : NVD
## 8.1
Score
Published March 10, 2026
Severity HIGH
CNA Score 8.1
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS)
Wiz
CVE-2026-24640 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.2
CVE-2026-24640 [HIGH] CVE-2026-24640 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-24640 :
Fortinet FortiWeb vulnerability analysis and mitigation
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.
Source : NVD
## 6.6
Score
Published March 10, 2026
Severity MEDIUM
CNA Score 6.6
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 12.2
Exploitation Probability (EPSS) N/A
Affected packages and libraries
c
Wiz
CVE-2025-66178 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.2
CVE-2025-66178 [HIGH] CVE-2025-66178 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-66178 :
Fortinet FortiWeb vulnerability analysis and mitigation
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, FortiWeb 7.0.0 through 7.0.12 may allow an authenticated attacked to execute arbitrary commands via a specialy crafted HTTP request.
Source : NVD
## 7.2
Score
Published March 10, 2026
Severity HIGH
CNA Score 7.2
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 13.6
Exploitation Probability (EPSS) N/A
Affected packages and libraries
c
Wiz
CVE-2025-48840 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 5.3
CVE-2025-48840 [MEDIUM] CVE-2025-48840 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-48840 :
Fortinet FortiWeb vulnerability analysis and mitigation
An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request.
Source : NVD
## 5.3
Score
Published March 10, 2026
Severity MEDIUM
CNA Score 5.3
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 24.9
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:a:fortinet:fortiweb
Sources
Linux Severity MEDIUM Has Fix Added at: Mar 10, 20
Wiz
CVE-2025-64471 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 4.9
CVE-2025-64471 [MEDIUM] CVE-2025-64471 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-64471 :
Fortinet FortiWeb vulnerability analysis and mitigation
A use of password hash instead of password for authentication vulnerability [CWE-836] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an unauthenticated attacker to use the hash in place of the password to authenticate via crafted HTTP/HTTPS requests
Source : NVD
## 7.5
Score
Published December 9, 2025
Severity HIGH
CNA Score 4.9
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 16.8
Exploitation Probability (EPSS) 0.1
Affected packag
Wiz
CVE-2025-59719 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 9.8
CVE-2025-59719 [CRITICAL] CVE-2025-59719 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-59719 :
Fortinet FortiWeb vulnerability analysis and mitigation
An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9 may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.
Source : NVD
## 9.8
Score
Published December 9, 2025
Severity CRITICAL
CNA Score 9.8
Affected Technologies
Fortinet FortiWeb
Has Public Exploit Yes
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 27.8
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:a:fortinet:fortiweb
Sources
Linux Severity CRITICAL Has Fix Added at: Dec 10, 20
Wiz
CVE-2026-30897 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.2
CVE-2026-30897 [HIGH] CVE-2026-30897 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-30897 :
Fortinet FortiWeb vulnerability analysis and mitigation
A stack-based buffer overflow vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.
Source : NVD
## 6.6
Score
Published March 10, 2026
Severity MEDIUM
CNA Score 6.6
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 12.2
Exploitation Probability (EPSS) N/A
Affected packages and libraries
cpe:2.3:a:fortinet:fortiw
Wiz
CVE-2025-64447 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 8.1
CVE-2025-64447 [HIGH] CVE-2025-64447 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2025-64447 :
Fortinet FortiWeb vulnerability analysis and mitigation
A reliance on cookies without validation and integrity checking vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an unauthenticated attacker to execute arbitrary operations on the system via crafted HTTP or HTTPS request via forged cookies, requiring prior knowledge of the FortiWeb serial number.
Source : NVD
## 8.1
Score
Published December 9, 2025
Severity HIGH
CNA Score 8.1
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 40.8
Exploi
Wiz
CVE-2026-24641 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz·CVSS 7.2
CVE-2026-24641 [HIGH] CVE-2026-24641 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2026-24641 :
Fortinet FortiWeb vulnerability analysis and mitigation
A NULL Pointer Dereference vulnerability [CWE-476] 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 all versions may allow an authenticated attacker to crash the HTTP daemon via crafted HTTP requests.
Source : NVD
## 6.5
Score
Published March 10, 2026
Severity MEDIUM
CNA Score 2.7
Affected Technologies
Fortinet FortiWeb
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 32.4
Exploitation Probability (EPSS) 0.1
Affected packages and libraries
cpe:2.3:a:fortinet:fortiweb
Sources
Linux Severity MEDIUM Has Fix
2026-03-10
Published