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5.9 Medium

CVE-2026-24640 A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb…

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 3.1 detail

Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Exploitable remotely over the network, with an administrator account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Network
Attack complexity
High
Privileges required
High
Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected products and versions

Product Affected versions Fixed in
FortiWeb 8.0 8.0.0 → 8.0.2 No fix stated
FortiWeb 7.6 7.6.0 → 7.6.6 No fix stated
FortiWeb 7.4 7.4.0 → 7.4.13 No fix stated
FortiWeb 7.2 7.2.0 → 7.2.13 No fix stated
FortiWeb 7.0 7.0.2 → 7.0.12 No fix stated

Other CVEs of FortiWeb

The 74 CVEs of FortiWeb →
CVE-2026-26035 An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb… 8.8 High CVE-2026-70466 A incomplete list of disallowed inputs vulnerability [CWE-184] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2,… 4.8 Medium CVE-2026-40688 An out-of-bounds write vulnerability [CWE-787] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0… 6.7 Medium CVE-2026-39811 A integer overflow or wraparound vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6,… 4.4 Medium
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